-43.5% is the change from 931 to 526
Calculation steps:
[( 526 - 931 ) ÷ 931] x 100 = -43.5%
Formula
Percentage change = [(526 - 931) / 931] x 100
Subtract the new number by the original number
526 - 931 = -405
-405 ÷ 931 = -0.43501611170784105
-0.43501611170784105 x 100 = -43.5%