-68.45% is the change from 431 to 136
Calculation steps:
[( 136 - 431 ) ÷ 431] x 100 = -68.45%
Formula
Percentage change = [(136 - 431) / 431] x 100
Subtract the new number by the original number
136 - 431 = -295
-295 ÷ 431 = -0.6844547563805105
-0.6844547563805105 x 100 = -68.45%