55.87% is the change from 426 to 664
Calculation steps:
[( 664 - 426 ) ÷ 426] x 100 = 55.87%
Formula
Percentage change = [(664 - 426) / 426] x 100
Subtract the new number by the original number
664 - 426 = 238
238 ÷ 426 = 0.5586854460093896
0.5586854460093896 x 100 = 55.87%