What this is
(OP_t − OP_t-1)/(revenue_t − revenue_t-1). Confirms C-Q50-5's 65% / 16.5% (Python there) on the agreed series.
The values
- 2021 to 2022: 45.1
- 2022 to 2023: 68.2
- 2023 to 2024: 61.8
- 2022 to 2024: 65.1
- 2024 to 2025: 16.5
Where it comes from
Our calculation from other figures in the trainer’s notes.
Show the working
- ΔOP/Δrevenue: 25,499.8/56,524.6=45.1%
- −28,238.8/−43,386.8=65.1%
- 4,414.3/26,734.4=16.5%