83.8% is the change from 426 to 783
Calculation steps:
[( 783 - 426 ) ÷ 426] x 100 = 83.8%
Formula
Percentage change = [(783 - 426) / 426] x 100
Subtract the new number by the original number
783 - 426 = 357
357 ÷ 426 = 0.8380281690140845
0.8380281690140845 x 100 = 83.8%