107.67% is the change from 391 to 812
Calculation steps:
[( 812 - 391 ) ÷ 391] x 100 = 107.67%
Formula
Percentage change = [(812 - 391) / 391] x 100
Subtract the new number by the original number
812 - 391 = 421
421 ÷ 391 = 1.0767263427109974
1.0767263427109974 x 100 = 107.67%