38.62% is the change from 378 to 524
Calculation steps:
[( 524 - 378 ) ÷ 378] x 100 = 38.62%
Formula
Percentage change = [(524 - 378) / 378] x 100
Subtract the new number by the original number
524 - 378 = 146
146 ÷ 378 = 0.3862433862433862
0.3862433862433862 x 100 = 38.62%