231.5% is the change from 127 to 421
Calculation steps:
[( 421 - 127 ) ÷ 127] x 100 = 231.5%
Formula
Percentage change = [(421 - 127) / 127] x 100
Subtract the new number by the original number
421 - 127 = 294
294 ÷ 127 = 2.3149606299212597
2.3149606299212597 x 100 = 231.5%