-43.99% is the change from 907 to 508
Calculation steps:
[( 508 - 907 ) ÷ 907] x 100 = -43.99%
Formula
Percentage change = [(508 - 907) / 907] x 100
Subtract the new number by the original number
508 - 907 = -399
-399 ÷ 907 = -0.43991179713340683
-0.43991179713340683 x 100 = -43.99%