-55.15% is the change from 136 to 61
Calculation steps:
[( 61 - 136 ) ÷ 136] x 100 = -55.15%
Formula
Percentage change = [(61 - 136) / 136] x 100
Subtract the new number by the original number
61 - 136 = -75
-75 ÷ 136 = -0.5514705882352942
-0.5514705882352942 x 100 = -55.15%