-60.63% is the change from 635 to 250
Calculation steps:
[( 250 - 635 ) ÷ 635] x 100 = -60.63%
Formula
Percentage change = [(250 - 635) / 635] x 100
Subtract the new number by the original number
250 - 635 = -385
-385 ÷ 635 = -0.6062992125984252
-0.6062992125984252 x 100 = -60.63%