31.88% is the change from 389 to 513
Calculation steps:
[( 513 - 389 ) ÷ 389] x 100 = 31.88%
Formula
Percentage change = [(513 - 389) / 389] x 100
Subtract the new number by the original number
513 - 389 = 124
124 ÷ 389 = 0.31876606683804626
0.31876606683804626 x 100 = 31.88%