-27.67% is the change from 853 to 617
Calculation steps:
[( 617 - 853 ) ÷ 853] x 100 = -27.67%
Formula
Percentage change = [(617 - 853) / 853] x 100
Subtract the new number by the original number
617 - 853 = -236
-236 ÷ 853 = -0.27667057444314186
-0.27667057444314186 x 100 = -27.67%