-18.44% is the change from 857 to 699
Calculation steps:
[( 699 - 857 ) ÷ 857] x 100 = -18.44%
Formula
Percentage change = [(699 - 857) / 857] x 100
Subtract the new number by the original number
699 - 857 = -158
-158 ÷ 857 = -0.18436406067677946
-0.18436406067677946 x 100 = -18.44%