237.24% is the change from 145 to 489
Calculation steps:
[( 489 - 145 ) ÷ 145] x 100 = 237.24%
Formula
Percentage change = [(489 - 145) / 145] x 100
Subtract the new number by the original number
489 - 145 = 344
344 ÷ 145 = 2.372413793103448
2.372413793103448 x 100 = 237.24%