12.09% is the change from 819 to 918
Calculation steps:
[( 918 - 819 ) ÷ 819] x 100 = 12.09%
Formula
Percentage change = [(918 - 819) / 819] x 100
Subtract the new number by the original number
918 - 819 = 99
99 ÷ 819 = 0.12087912087912088
0.12087912087912088 x 100 = 12.09%