-8.76% is the change from 902 to 823
Calculation steps:
[( 823 - 902 ) ÷ 902] x 100 = -8.76%
Formula
Percentage change = [(823 - 902) / 902] x 100
Subtract the new number by the original number
823 - 902 = -79
-79 ÷ 902 = -0.08758314855875832
-0.08758314855875832 x 100 = -8.76%