-77.07% is the change from 157 to 36
Calculation steps:
[( 36 - 157 ) ÷ 157] x 100 = -77.07%
Formula
Percentage change = [(36 - 157) / 157] x 100
Subtract the new number by the original number
36 - 157 = -121
-121 ÷ 157 = -0.7707006369426752
-0.7707006369426752 x 100 = -77.07%