247.55% is the change from 143 to 497
Calculation steps:
[( 497 - 143 ) ÷ 143] x 100 = 247.55%
Formula
Percentage change = [(497 - 143) / 143] x 100
Subtract the new number by the original number
497 - 143 = 354
354 ÷ 143 = 2.4755244755244754
2.4755244755244754 x 100 = 247.55%