10.12% is the change from 820 to 903
Calculation steps:
[( 903 - 820 ) ÷ 820] x 100 = 10.12%
Formula
Percentage change = [(903 - 820) / 820] x 100
Subtract the new number by the original number
903 - 820 = 83
83 ÷ 820 = 0.10121951219512196
0.10121951219512196 x 100 = 10.12%