-88.65% is the change from 802 to 91
Calculation steps:
[( 91 - 802 ) ÷ 802] x 100 = -88.65%
Formula
Percentage change = [(91 - 802) / 802] x 100
Subtract the new number by the original number
91 - 802 = -711
-711 ÷ 802 = -0.8865336658354115
-0.8865336658354115 x 100 = -88.65%