-42.67% is the change from 907 to 520
Calculation steps:
[( 520 - 907 ) ÷ 907] x 100 = -42.67%
Formula
Percentage change = [(520 - 907) / 907] x 100
Subtract the new number by the original number
520 - 907 = -387
-387 ÷ 907 = -0.42668136714443217
-0.42668136714443217 x 100 = -42.67%