12.75% is the change from 800 to 902
Calculation steps:
[( 902 - 800 ) ÷ 800] x 100 = 12.75%
Formula
Percentage change = [(902 - 800) / 800] x 100
Subtract the new number by the original number
902 - 800 = 102
102 ÷ 800 = 0.1275
0.1275 x 100 = 12.75%