-89.71% is the change from 826 to 85
Calculation steps:
[( 85 - 826 ) ÷ 826] x 100 = -89.71%
Formula
Percentage change = [(85 - 826) / 826] x 100
Subtract the new number by the original number
85 - 826 = -741
-741 ÷ 826 = -0.8970944309927361
-0.8970944309927361 x 100 = -89.71%