-8.86% is the change from 903 to 823
Calculation steps:
[( 823 - 903 ) ÷ 903] x 100 = -8.86%
Formula
Percentage change = [(823 - 903) / 903] x 100
Subtract the new number by the original number
823 - 903 = -80
-80 ÷ 903 = -0.08859357696567
-0.08859357696567 x 100 = -8.86%