-37.31% is the change from 847 to 531
Calculation steps:
[( 531 - 847 ) ÷ 847] x 100 = -37.31%
Formula
Percentage change = [(531 - 847) / 847] x 100
Subtract the new number by the original number
531 - 847 = -316
-316 ÷ 847 = -0.3730814639905549
-0.3730814639905549 x 100 = -37.31%