102.56% is the change from 391 to 792
Calculation steps:
[( 792 - 391 ) ÷ 391] x 100 = 102.56%
Formula
Percentage change = [(792 - 391) / 391] x 100
Subtract the new number by the original number
792 - 391 = 401
401 ÷ 391 = 1.0255754475703325
1.0255754475703325 x 100 = 102.56%