-23.25% is the change from 856 to 657
Calculation steps:
[( 657 - 856 ) ÷ 856] x 100 = -23.25%
Formula
Percentage change = [(657 - 856) / 856] x 100
Subtract the new number by the original number
657 - 856 = -199
-199 ÷ 856 = -0.2324766355140187
-0.2324766355140187 x 100 = -23.25%