-63.62% is the change from 657 to 239
Calculation steps:
[( 239 - 657 ) ÷ 657] x 100 = -63.62%
Formula
Percentage change = [(239 - 657) / 657] x 100
Subtract the new number by the original number
239 - 657 = -418
-418 ÷ 657 = -0.6362252663622526
-0.6362252663622526 x 100 = -63.62%