91.78% is the change from 426 to 817
Calculation steps:
[( 817 - 426 ) ÷ 426] x 100 = 91.78%
Formula
Percentage change = [(817 - 426) / 426] x 100
Subtract the new number by the original number
817 - 426 = 391
391 ÷ 426 = 0.9178403755868545
0.9178403755868545 x 100 = 91.78%