68.31% is the change from 426 to 717
Calculation steps:
[( 717 - 426 ) ÷ 426] x 100 = 68.31%
Formula
Percentage change = [(717 - 426) / 426] x 100
Subtract the new number by the original number
717 - 426 = 291
291 ÷ 426 = 0.6830985915492958
0.6830985915492958 x 100 = 68.31%