-91.77% is the change from 863 to 71
Calculation steps:
[( 71 - 863 ) ÷ 863] x 100 = -91.77%
Formula
Percentage change = [(71 - 863) / 863] x 100
Subtract the new number by the original number
71 - 863 = -792
-792 ÷ 863 = -0.9177288528389339
-0.9177288528389339 x 100 = -91.77%
Example