-10.3% is the change from 903 to 810
Calculation steps:
[( 810 - 903 ) ÷ 903] x 100 = -10.3%
Formula
Percentage change = [(810 - 903) / 903] x 100
Subtract the new number by the original number
810 - 903 = -93
-93 ÷ 903 = -0.10299003322259136
-0.10299003322259136 x 100 = -10.3%