-61.95% is the change from 657 to 250
Calculation steps:
[( 250 - 657 ) ÷ 657] x 100 = -61.95%
Formula
Percentage change = [(250 - 657) / 657] x 100
Subtract the new number by the original number
250 - 657 = -407
-407 ÷ 657 = -0.619482496194825
-0.619482496194825 x 100 = -61.95%