-91.12% is the change from 259 to 23
Calculation steps:
[( 23 - 259 ) ÷ 259] x 100 = -91.12%
Formula
Percentage change = [(23 - 259) / 259] x 100
Subtract the new number by the original number
23 - 259 = -236
-236 ÷ 259 = -0.9111969111969112
-0.9111969111969112 x 100 = -91.12%