254.74% is the change from 190 to 674
Calculation steps:
[( 674 - 190 ) ÷ 190] x 100 = 254.74%
Formula
Percentage change = [(674 - 190) / 190] x 100
Subtract the new number by the original number
674 - 190 = 484
484 ÷ 190 = 2.5473684210526315
2.5473684210526315 x 100 = 254.74%