-81.25% is the change from 192 to 36
Calculation steps:
[( 36 - 192 ) ÷ 192] x 100 = -81.25%
Formula
Percentage change = [(36 - 192) / 192] x 100
Subtract the new number by the original number
36 - 192 = -156
-156 ÷ 192 = -0.8125
-0.8125 x 100 = -81.25%