-10.25% is the change from 917 to 823
Calculation steps:
[( 823 - 917 ) ÷ 917] x 100 = -10.25%
Formula
Percentage change = [(823 - 917) / 917] x 100
Subtract the new number by the original number
823 - 917 = -94
-94 ÷ 917 = -0.1025081788440567
-0.1025081788440567 x 100 = -10.25%