20.47% is the change from 674 to 812
Calculation steps:
[( 812 - 674 ) ÷ 674] x 100 = 20.47%
Formula
Percentage change = [(812 - 674) / 674] x 100
Subtract the new number by the original number
812 - 674 = 138
138 ÷ 674 = 0.20474777448071216
0.20474777448071216 x 100 = 20.47%