18.52% is the change from 378 to 448
Calculation steps:
[( 448 - 378 ) ÷ 378] x 100 = 18.52%
Formula
Percentage change = [(448 - 378) / 378] x 100
Subtract the new number by the original number
448 - 378 = 70
70 ÷ 378 = 0.18518518518518517
0.18518518518518517 x 100 = 18.52%