-4.99% is the change from 902 to 857
Calculation steps:
[( 857 - 902 ) ÷ 902] x 100 = -4.99%
Formula
Percentage change = [(857 - 902) / 902] x 100
Subtract the new number by the original number
857 - 902 = -45
-45 ÷ 902 = -0.04988913525498891
-0.04988913525498891 x 100 = -4.99%