50.94% is the change from 426 to 643
Calculation steps:
[( 643 - 426 ) ÷ 426] x 100 = 50.94%
Formula
Percentage change = [(643 - 426) / 426] x 100
Subtract the new number by the original number
643 - 426 = 217
217 ÷ 426 = 0.5093896713615024
0.5093896713615024 x 100 = 50.94%