-87% is the change from 654 to 85
Calculation steps:
[( 85 - 654 ) ÷ 654] x 100 = -87%
Formula
Percentage change = [(85 - 654) / 654] x 100
Subtract the new number by the original number
85 - 654 = -569
-569 ÷ 654 = -0.8700305810397554
-0.8700305810397554 x 100 = -87%