248.91% is the change from 137 to 478
Calculation steps:
[( 478 - 137 ) ÷ 137] x 100 = 248.91%
Formula
Percentage change = [(478 - 137) / 137] x 100
Subtract the new number by the original number
478 - 137 = 341
341 ÷ 137 = 2.489051094890511
2.489051094890511 x 100 = 248.91%