4038.46% is the change from 13 to 538
Calculation steps:
[( 538 - 13 ) ÷ 13] x 100 = 4038.46%
Formula
Percentage change = [(538 - 13) / 13] x 100
Subtract the new number by the original number
538 - 13 = 525
525 ÷ 13 = 40.38461538461539
40.38461538461539 x 100 = 4038.46%