-18.96% is the change from 902 to 731
Calculation steps:
[( 731 - 902 ) ÷ 902] x 100 = -18.96%
Formula
Percentage change = [(731 - 902) / 902] x 100
Subtract the new number by the original number
731 - 902 = -171
-171 ÷ 902 = -0.18957871396895787
-0.18957871396895787 x 100 = -18.96%