37.04% is the change from 378 to 518
Calculation steps:
[( 518 - 378 ) ÷ 378] x 100 = 37.04%
Formula
Percentage change = [(518 - 378) / 378] x 100
Subtract the new number by the original number
518 - 378 = 140
140 ÷ 378 = 0.37037037037037035
0.37037037037037035 x 100 = 37.04%