-85.69% is the change from 650 to 93
Calculation steps:
[( 93 - 650 ) ÷ 650] x 100 = -85.69%
Formula
Percentage change = [(93 - 650) / 650] x 100
Subtract the new number by the original number
93 - 650 = -557
-557 ÷ 650 = -0.8569230769230769
-0.8569230769230769 x 100 = -85.69%