13.48% is the change from 371 to 421
Calculation steps:
[( 421 - 371 ) ÷ 371] x 100 = 13.48%
Formula
Percentage change = [(421 - 371) / 371] x 100
Subtract the new number by the original number
421 - 371 = 50
50 ÷ 371 = 0.1347708894878706
0.1347708894878706 x 100 = 13.48%