36.51% is the change from 378 to 516
Calculation steps:
[( 516 - 378 ) ÷ 378] x 100 = 36.51%
Formula
Percentage change = [(516 - 378) / 378] x 100
Subtract the new number by the original number
516 - 378 = 138
138 ÷ 378 = 0.36507936507936506
0.36507936507936506 x 100 = 36.51%