107.93% is the change from 391 to 813
Calculation steps:
[( 813 - 391 ) ÷ 391] x 100 = 107.93%
Formula
Percentage change = [(813 - 391) / 391] x 100
Subtract the new number by the original number
813 - 391 = 422
422 ÷ 391 = 1.0792838874680306
1.0792838874680306 x 100 = 107.93%