-87.52% is the change from 801 to 100
Calculation steps:
[( 100 - 801 ) ÷ 801] x 100 = -87.52%
Formula
Percentage change = [(100 - 801) / 801] x 100
Subtract the new number by the original number
100 - 801 = -701
-701 ÷ 801 = -0.8751560549313359
-0.8751560549313359 x 100 = -87.52%