-91.41% is the change from 827 to 71
Calculation steps:
[( 71 - 827 ) ÷ 827] x 100 = -91.41%
Formula
Percentage change = [(71 - 827) / 827] x 100
Subtract the new number by the original number
71 - 827 = -756
-756 ÷ 827 = -0.9141475211608222
-0.9141475211608222 x 100 = -91.41%