-82% is the change from 200 to 36
Calculation steps:
[( 36 - 200 ) ÷ 200] x 100 = -82%
Formula
Percentage change = [(36 - 200) / 200] x 100
Subtract the new number by the original number
36 - 200 = -164
-164 ÷ 200 = -0.82
-0.82 x 100 = -82%
Example