227.27% is the change from 198 to 648
Calculation steps:
[( 648 - 198 ) ÷ 198] x 100 = 227.27%
Formula
Percentage change = [(648 - 198) / 198] x 100
Subtract the new number by the original number
648 - 198 = 450
450 ÷ 198 = 2.272727272727273
2.272727272727273 x 100 = 227.27%