-6.63% is the change from 890 to 831
Calculation steps:
[( 831 - 890 ) ÷ 890] x 100 = -6.63%
Formula
Percentage change = [(831 - 890) / 890] x 100
Subtract the new number by the original number
831 - 890 = -59
-59 ÷ 890 = -0.06629213483146068
-0.06629213483146068 x 100 = -6.63%