-83.15% is the change from 801 to 135
Calculation steps:
[( 135 - 801 ) ÷ 801] x 100 = -83.15%
Formula
Percentage change = [(135 - 801) / 801] x 100
Subtract the new number by the original number
135 - 801 = -666
-666 ÷ 801 = -0.8314606741573034
-0.8314606741573034 x 100 = -83.15%