32.99% is the change from 388 to 516
Calculation steps:
[( 516 - 388 ) ÷ 388] x 100 = 32.99%
Formula
Percentage change = [(516 - 388) / 388] x 100
Subtract the new number by the original number
516 - 388 = 128
128 ÷ 388 = 0.32989690721649484
0.32989690721649484 x 100 = 32.99%