100.26% is the change from 391 to 783
Calculation steps:
[( 783 - 391 ) ÷ 391] x 100 = 100.26%
Formula
Percentage change = [(783 - 391) / 391] x 100
Subtract the new number by the original number
783 - 391 = 392
392 ÷ 391 = 1.0025575447570332
1.0025575447570332 x 100 = 100.26%