-81.62% is the change from 136 to 25
Calculation steps:
[( 25 - 136 ) ÷ 136] x 100 = -81.62%
Formula
Percentage change = [(25 - 136) / 136] x 100
Subtract the new number by the original number
25 - 136 = -111
-111 ÷ 136 = -0.8161764705882353
-0.8161764705882353 x 100 = -81.62%