-37.28% is the change from 845 to 530
Calculation steps:
[( 530 - 845 ) ÷ 845] x 100 = -37.28%
Formula
Percentage change = [(530 - 845) / 845] x 100
Subtract the new number by the original number
530 - 845 = -315
-315 ÷ 845 = -0.3727810650887574
-0.3727810650887574 x 100 = -37.28%