-51.85% is the change from 135 to 65
Calculation steps:
[( 65 - 135 ) ÷ 135] x 100 = -51.85%
Formula
Percentage change = [(65 - 135) / 135] x 100
Subtract the new number by the original number
65 - 135 = -70
-70 ÷ 135 = -0.5185185185185185
-0.5185185185185185 x 100 = -51.85%