-91.87% is the change from 873 to 71
Calculation steps:
[( 71 - 873 ) ÷ 873] x 100 = -91.87%
Formula
Percentage change = [(71 - 873) / 873] x 100
Subtract the new number by the original number
71 - 873 = -802
-802 ÷ 873 = -0.9186712485681557
-0.9186712485681557 x 100 = -91.87%