-91.32% is the change from 818 to 71
Calculation steps:
[( 71 - 818 ) ÷ 818] x 100 = -91.32%
Formula
Percentage change = [(71 - 818) / 818] x 100
Subtract the new number by the original number
71 - 818 = -747
-747 ÷ 818 = -0.91320293398533
-0.91320293398533 x 100 = -91.32%