-22.25% is the change from 845 to 657
Calculation steps:
[( 657 - 845 ) ÷ 845] x 100 = -22.25%
Formula
Percentage change = [(657 - 845) / 845] x 100
Subtract the new number by the original number
657 - 845 = -188
-188 ÷ 845 = -0.22248520710059172
-0.22248520710059172 x 100 = -22.25%