217.65% is the change from 204 to 648
Calculation steps:
[( 648 - 204 ) ÷ 204] x 100 = 217.65%
Formula
Percentage change = [(648 - 204) / 204] x 100
Subtract the new number by the original number
648 - 204 = 444
444 ÷ 204 = 2.176470588235294
2.176470588235294 x 100 = 217.65%