1503.23% is the change from 31 to 497
Calculation steps:
[( 497 - 31 ) ÷ 31] x 100 = 1503.23%
Formula
Percentage change = [(497 - 31) / 31] x 100
Subtract the new number by the original number
497 - 31 = 466
466 ÷ 31 = 15.03225806451613
15.03225806451613 x 100 = 1503.23%