3753.85% is the change from 13 to 501
Calculation steps:
[( 501 - 13 ) ÷ 13] x 100 = 3753.85%
Formula
Percentage change = [(501 - 13) / 13] x 100
Subtract the new number by the original number
501 - 13 = 488
488 ÷ 13 = 37.53846153846154
37.53846153846154 x 100 = 3753.85%