-88.56% is the change from 857 to 98
Calculation steps:
[( 98 - 857 ) ÷ 857] x 100 = -88.56%
Formula
Percentage change = [(98 - 857) / 857] x 100
Subtract the new number by the original number
98 - 857 = -759
-759 ÷ 857 = -0.8856476079346558
-0.8856476079346558 x 100 = -88.56%