-16.94% is the change from 850 to 706
Calculation steps:
[( 706 - 850 ) ÷ 850] x 100 = -16.94%
Formula
Percentage change = [(706 - 850) / 850] x 100
Subtract the new number by the original number
706 - 850 = -144
-144 ÷ 850 = -0.16941176470588235
-0.16941176470588235 x 100 = -16.94%