-31.03% is the change from 925 to 638
Calculation steps:
[( 638 - 925 ) ÷ 925] x 100 = -31.03%
Formula
Percentage change = [(638 - 925) / 925] x 100
Subtract the new number by the original number
638 - 925 = -287
-287 ÷ 925 = -0.31027027027027027
-0.31027027027027027 x 100 = -31.03%