-30.43% is the change from 907 to 631
Calculation steps:
[( 631 - 907 ) ÷ 907] x 100 = -30.43%
Formula
Percentage change = [(631 - 907) / 907] x 100
Subtract the new number by the original number
631 - 907 = -276
-276 ÷ 907 = -0.30429988974641675
-0.30429988974641675 x 100 = -30.43%