-87.52% is the change from 809 to 101
Calculation steps:
[( 101 - 809 ) ÷ 809] x 100 = -87.52%
Formula
Percentage change = [(101 - 809) / 809] x 100
Subtract the new number by the original number
101 - 809 = -708
-708 ÷ 809 = -0.8751545117428925
-0.8751545117428925 x 100 = -87.52%