-49.41% is the change from 939 to 475
Calculation steps:
[( 475 - 939 ) ÷ 939] x 100 = -49.41%
Formula
Percentage change = [(475 - 939) / 939] x 100
Subtract the new number by the original number
475 - 939 = -464
-464 ÷ 939 = -0.4941427050053248
-0.4941427050053248 x 100 = -49.41%