38.89% is the change from 378 to 525
Calculation steps:
[( 525 - 378 ) ÷ 378] x 100 = 38.89%
Formula
Percentage change = [(525 - 378) / 378] x 100
Subtract the new number by the original number
525 - 378 = 147
147 ÷ 378 = 0.3888888888888889
0.3888888888888889 x 100 = 38.89%