-40.57% is the change from 875 to 520
Calculation steps:
[( 520 - 875 ) ÷ 875] x 100 = -40.57%
Formula
Percentage change = [(520 - 875) / 875] x 100
Subtract the new number by the original number
520 - 875 = -355
-355 ÷ 875 = -0.4057142857142857
-0.4057142857142857 x 100 = -40.57%