13.51% is the change from 370 to 420
Calculation steps:
[( 420 - 370 ) ÷ 370] x 100 = 13.51%
Formula
Percentage change = [(420 - 370) / 370] x 100
Subtract the new number by the original number
420 - 370 = 50
50 ÷ 370 = 0.13513513513513514
0.13513513513513514 x 100 = 13.51%