39.15% is the change from 378 to 526
Calculation steps:
[( 526 - 378 ) ÷ 378] x 100 = 39.15%
Formula
Percentage change = [(526 - 378) / 378] x 100
Subtract the new number by the original number
526 - 378 = 148
148 ÷ 378 = 0.3915343915343915
0.3915343915343915 x 100 = 39.15%