1388.24% is the change from 34 to 506
Calculation steps:
[( 506 - 34 ) ÷ 34] x 100 = 1388.24%
Formula
Percentage change = [(506 - 34) / 34] x 100
Subtract the new number by the original number
506 - 34 = 472
472 ÷ 34 = 13.882352941176471
13.882352941176471 x 100 = 1388.24%