321.17% is the change from 137 to 577
Calculation steps:
[( 577 - 137 ) ÷ 137] x 100 = 321.17%
Formula
Percentage change = [(577 - 137) / 137] x 100
Subtract the new number by the original number
577 - 137 = 440
440 ÷ 137 = 3.2116788321167884
3.2116788321167884 x 100 = 321.17%