296.47% is the change from 170 to 674
Calculation steps:
[( 674 - 170 ) ÷ 170] x 100 = 296.47%
Formula
Percentage change = [(674 - 170) / 170] x 100
Subtract the new number by the original number
674 - 170 = 504
504 ÷ 170 = 2.9647058823529413
2.9647058823529413 x 100 = 296.47%