40% is the change from 370 to 518
Calculation steps:
[( 518 - 370 ) ÷ 370] x 100 = 40%
Formula
Percentage change = [(518 - 370) / 370] x 100
Subtract the new number by the original number
518 - 370 = 148
148 ÷ 370 = 0.4
0.4 x 100 = 40%
Example