1218.42% is the change from 38 to 501
Calculation steps:
[( 501 - 38 ) ÷ 38] x 100 = 1218.42%
Formula
Percentage change = [(501 - 38) / 38] x 100
Subtract the new number by the original number
501 - 38 = 463
463 ÷ 38 = 12.18421052631579
12.18421052631579 x 100 = 1218.42%