343.07% is the change from 137 to 607
Calculation steps:
[( 607 - 137 ) ÷ 137] x 100 = 343.07%
Formula
Percentage change = [(607 - 137) / 137] x 100
Subtract the new number by the original number
607 - 137 = 470
470 ÷ 137 = 3.4306569343065694
3.4306569343065694 x 100 = 343.07%