-91.68% is the change from 853 to 71
Calculation steps:
[( 71 - 853 ) ÷ 853] x 100 = -91.68%
Formula
Percentage change = [(71 - 853) / 853] x 100
Subtract the new number by the original number
71 - 853 = -782
-782 ÷ 853 = -0.9167643610785463
-0.9167643610785463 x 100 = -91.68%