-79.44% is the change from 851 to 175
Calculation steps:
[( 175 - 851 ) ÷ 851] x 100 = -79.44%
Formula
Percentage change = [(175 - 851) / 851] x 100
Subtract the new number by the original number
175 - 851 = -676
-676 ÷ 851 = -0.7943595769682726
-0.7943595769682726 x 100 = -79.44%