-91.19% is the change from 261 to 23
Calculation steps:
[( 23 - 261 ) ÷ 261] x 100 = -91.19%
Formula
Percentage change = [(23 - 261) / 261] x 100
Subtract the new number by the original number
23 - 261 = -238
-238 ÷ 261 = -0.9118773946360154
-0.9118773946360154 x 100 = -91.19%