-82.5% is the change from 200 to 35
Calculation steps:
[( 35 - 200 ) ÷ 200] x 100 = -82.5%
Formula
Percentage change = [(35 - 200) / 200] x 100
Subtract the new number by the original number
35 - 200 = -165
-165 ÷ 200 = -0.825
-0.825 x 100 = -82.5%
Example