194.55% is the change from 220 to 648
Calculation steps:
[( 648 - 220 ) ÷ 220] x 100 = 194.55%
Formula
Percentage change = [(648 - 220) / 220] x 100
Subtract the new number by the original number
648 - 220 = 428
428 ÷ 220 = 1.9454545454545455
1.9454545454545455 x 100 = 194.55%