182.55% is the change from 149 to 421
Calculation steps:
[( 421 - 149 ) ÷ 149] x 100 = 182.55%
Formula
Percentage change = [(421 - 149) / 149] x 100
Subtract the new number by the original number
421 - 149 = 272
272 ÷ 149 = 1.825503355704698
1.825503355704698 x 100 = 182.55%