239.9% is the change from 198 to 673
Calculation steps:
[( 673 - 198 ) ÷ 198] x 100 = 239.9%
Formula
Percentage change = [(673 - 198) / 198] x 100
Subtract the new number by the original number
673 - 198 = 475
475 ÷ 198 = 2.398989898989899
2.398989898989899 x 100 = 239.9%