38.3% is the change from 389 to 538
Calculation steps:
[( 538 - 389 ) ÷ 389] x 100 = 38.3%
Formula
Percentage change = [(538 - 389) / 389] x 100
Subtract the new number by the original number
538 - 389 = 149
149 ÷ 389 = 0.38303341902313626
0.38303341902313626 x 100 = 38.3%