-14% is the change from 850 to 731
Calculation steps:
[( 731 - 850 ) ÷ 850] x 100 = -14%
Formula
Percentage change = [(731 - 850) / 850] x 100
Subtract the new number by the original number
731 - 850 = -119
-119 ÷ 850 = -0.14
-0.14 x 100 = -14%
Example