242.76% is the change from 145 to 497
Calculation steps:
[( 497 - 145 ) ÷ 145] x 100 = 242.76%
Formula
Percentage change = [(497 - 145) / 145] x 100
Subtract the new number by the original number
497 - 145 = 352
352 ÷ 145 = 2.4275862068965517
2.4275862068965517 x 100 = 242.76%