60.1% is the change from 421 to 674
Calculation steps:
[( 674 - 421 ) ÷ 421] x 100 = 60.1%
Formula
Percentage change = [(674 - 421) / 421] x 100
Subtract the new number by the original number
674 - 421 = 253
253 ÷ 421 = 0.6009501187648456
0.6009501187648456 x 100 = 60.1%