-43.93% is the change from 931 to 522
Calculation steps:
[( 522 - 931 ) ÷ 931] x 100 = -43.93%
Formula
Percentage change = [(522 - 931) / 931] x 100
Subtract the new number by the original number
522 - 931 = -409
-409 ÷ 931 = -0.439312567132116
-0.439312567132116 x 100 = -43.93%