1379.41% is the change from 34 to 503
Calculation steps:
[( 503 - 34 ) ÷ 34] x 100 = 1379.41%
Formula
Percentage change = [(503 - 34) / 34] x 100
Subtract the new number by the original number
503 - 34 = 469
469 ÷ 34 = 13.794117647058824
13.794117647058824 x 100 = 1379.41%