173.38% is the change from 154 to 421
Calculation steps:
[( 421 - 154 ) ÷ 154] x 100 = 173.38%
Formula
Percentage change = [(421 - 154) / 154] x 100
Subtract the new number by the original number
421 - 154 = 267
267 ÷ 154 = 1.7337662337662338
1.7337662337662338 x 100 = 173.38%