285.27% is the change from 129 to 497
Calculation steps:
[( 497 - 129 ) ÷ 129] x 100 = 285.27%
Formula
Percentage change = [(497 - 129) / 129] x 100
Subtract the new number by the original number
497 - 129 = 368
368 ÷ 129 = 2.852713178294574
2.852713178294574 x 100 = 285.27%