294.15% is the change from 171 to 674
Calculation steps:
[( 674 - 171 ) ÷ 171] x 100 = 294.15%
Formula
Percentage change = [(674 - 171) / 171] x 100
Subtract the new number by the original number
674 - 171 = 503
503 ÷ 171 = 2.9415204678362574
2.9415204678362574 x 100 = 294.15%