1215.79% is the change from 38 to 500
Calculation steps:
[( 500 - 38 ) ÷ 38] x 100 = 1215.79%
Formula
Percentage change = [(500 - 38) / 38] x 100
Subtract the new number by the original number
500 - 38 = 462
462 ÷ 38 = 12.157894736842104
12.157894736842104 x 100 = 1215.79%