-27.48% is the change from 906 to 657
Calculation steps:
[( 657 - 906 ) ÷ 906] x 100 = -27.48%
Formula
Percentage change = [(657 - 906) / 906] x 100
Subtract the new number by the original number
657 - 906 = -249
-249 ÷ 906 = -0.27483443708609273
-0.27483443708609273 x 100 = -27.48%