-65% is the change from 100 to 35
Calculation steps:
[( 35 - 100 ) ÷ 100] x 100 = -65%
Formula
Percentage change = [(35 - 100) / 100] x 100
Subtract the new number by the original number
35 - 100 = -65
-65 ÷ 100 = -0.65
-0.65 x 100 = -65%
Example