249.29% is the change from 140 to 489
Calculation steps:
[( 489 - 140 ) ÷ 140] x 100 = 249.29%
Formula
Percentage change = [(489 - 140) / 140] x 100
Subtract the new number by the original number
489 - 140 = 349
349 ÷ 140 = 2.492857142857143
2.492857142857143 x 100 = 249.29%