238.1% is the change from 147 to 497
Calculation steps:
[( 497 - 147 ) ÷ 147] x 100 = 238.1%
Formula
Percentage change = [(497 - 147) / 147] x 100
Subtract the new number by the original number
497 - 147 = 350
350 ÷ 147 = 2.380952380952381
2.380952380952381 x 100 = 238.1%