1424.24% is the change from 33 to 503
Calculation steps:
[( 503 - 33 ) ÷ 33] x 100 = 1424.24%
Formula
Percentage change = [(503 - 33) / 33] x 100
Subtract the new number by the original number
503 - 33 = 470
470 ÷ 33 = 14.242424242424242
14.242424242424242 x 100 = 1424.24%