-5.09% is the change from 903 to 857
Calculation steps:
[( 857 - 903 ) ÷ 903] x 100 = -5.09%
Formula
Percentage change = [(857 - 903) / 903] x 100
Subtract the new number by the original number
857 - 903 = -46
-46 ÷ 903 = -0.05094130675526024
-0.05094130675526024 x 100 = -5.09%