-77.91% is the change from 163 to 36
Calculation steps:
[( 36 - 163 ) ÷ 163] x 100 = -77.91%
Formula
Percentage change = [(36 - 163) / 163] x 100
Subtract the new number by the original number
36 - 163 = -127
-127 ÷ 163 = -0.7791411042944786
-0.7791411042944786 x 100 = -77.91%