12.59% is the change from 818 to 921
Calculation steps:
[( 921 - 818 ) ÷ 818] x 100 = 12.59%
Formula
Percentage change = [(921 - 818) / 818] x 100
Subtract the new number by the original number
921 - 818 = 103
103 ÷ 818 = 0.12591687041564792
0.12591687041564792 x 100 = 12.59%