-61.39% is the change from 158 to 61
Calculation steps:
[( 61 - 158 ) ÷ 158] x 100 = -61.39%
Formula
Percentage change = [(61 - 158) / 158] x 100
Subtract the new number by the original number
61 - 158 = -97
-97 ÷ 158 = -0.6139240506329114
-0.6139240506329114 x 100 = -61.39%