-5.41% is the change from 906 to 857
Calculation steps:
[( 857 - 906 ) ÷ 906] x 100 = -5.41%
Formula
Percentage change = [(857 - 906) / 906] x 100
Subtract the new number by the original number
857 - 906 = -49
-49 ÷ 906 = -0.05408388520971302
-0.05408388520971302 x 100 = -5.41%