-90.89% is the change from 933 to 85
Calculation steps:
[( 85 - 933 ) ÷ 933] x 100 = -90.89%
Formula
Percentage change = [(85 - 933) / 933] x 100
Subtract the new number by the original number
85 - 933 = -848
-848 ÷ 933 = -0.9088960342979635
-0.9088960342979635 x 100 = -90.89%