-51.71% is the change from 907 to 438
Calculation steps:
[( 438 - 907 ) ÷ 907] x 100 = -51.71%
Formula
Percentage change = [(438 - 907) / 907] x 100
Subtract the new number by the original number
438 - 907 = -469
-469 ÷ 907 = -0.5170893054024256
-0.5170893054024256 x 100 = -51.71%