17.46% is the change from 315 to 370
Calculation steps:
[( 370 - 315 ) ÷ 315] x 100 = 17.46%
Formula
Percentage change = [(370 - 315) / 315] x 100
Subtract the new number by the original number
370 - 315 = 55
55 ÷ 315 = 0.1746031746031746
0.1746031746031746 x 100 = 17.46%