-24.2% is the change from 657 to 498
Calculation steps:
[( 498 - 657 ) ÷ 657] x 100 = -24.2%
Formula
Percentage change = [(498 - 657) / 657] x 100
Subtract the new number by the original number
498 - 657 = -159
-159 ÷ 657 = -0.2420091324200913
-0.2420091324200913 x 100 = -24.2%