33.76% is the change from 388 to 519
Calculation steps:
[( 519 - 388 ) ÷ 388] x 100 = 33.76%
Formula
Percentage change = [(519 - 388) / 388] x 100
Subtract the new number by the original number
519 - 388 = 131
131 ÷ 388 = 0.33762886597938147
0.33762886597938147 x 100 = 33.76%