43.1% is the change from 420 to 601
Calculation steps:
[( 601 - 420 ) ÷ 420] x 100 = 43.1%
Formula
Percentage change = [(601 - 420) / 420] x 100
Subtract the new number by the original number
601 - 420 = 181
181 ÷ 420 = 0.430952380952381
0.430952380952381 x 100 = 43.1%