-24.24% is the change from 99 to 75
Calculation steps:
[( 75 - 99 ) ÷ 99] x 100 = -24.24%
Formula
Percentage change = [(75 - 99) / 99] x 100
Subtract the new number by the original number
75 - 99 = -24
-24 ÷ 99 = -0.24242424242424243
-0.24242424242424243 x 100 = -24.24%