168.83% is the change from 247 to 664
Calculation steps:
[( 664 - 247 ) ÷ 247] x 100 = 168.83%
Formula
Percentage change = [(664 - 247) / 247] x 100
Subtract the new number by the original number
664 - 247 = 417
417 ÷ 247 = 1.688259109311741
1.688259109311741 x 100 = 168.83%