1315.79% is the change from 38 to 538
Calculation steps:
[( 538 - 38 ) ÷ 38] x 100 = 1315.79%
Formula
Percentage change = [(538 - 38) / 38] x 100
Subtract the new number by the original number
538 - 38 = 500
500 ÷ 38 = 13.157894736842104
13.157894736842104 x 100 = 1315.79%