-23.43% is the change from 858 to 657
Calculation steps:
[( 657 - 858 ) ÷ 858] x 100 = -23.43%
Formula
Percentage change = [(657 - 858) / 858] x 100
Subtract the new number by the original number
657 - 858 = -201
-201 ÷ 858 = -0.23426573426573427
-0.23426573426573427 x 100 = -23.43%