332.9% is the change from 155 to 671
Calculation steps:
[( 671 - 155 ) ÷ 155] x 100 = 332.9%
Formula
Percentage change = [(671 - 155) / 155] x 100
Subtract the new number by the original number
671 - 155 = 516
516 ÷ 155 = 3.329032258064516
3.329032258064516 x 100 = 332.9%