-42.86% is the change from 931 to 532
Calculation steps:
[( 532 - 931 ) ÷ 931] x 100 = -42.86%
Formula
Percentage change = [(532 - 931) / 931] x 100
Subtract the new number by the original number
532 - 931 = -399
-399 ÷ 931 = -0.42857142857142855
-0.42857142857142855 x 100 = -42.86%