1397.78% is the change from 45 to 674
Calculation steps:
[( 674 - 45 ) ÷ 45] x 100 = 1397.78%
Formula
Percentage change = [(674 - 45) / 45] x 100
Subtract the new number by the original number
674 - 45 = 629
629 ÷ 45 = 13.977777777777778
13.977777777777778 x 100 = 1397.78%