297.95% is the change from 146 to 581
Calculation steps:
[( 581 - 146 ) ÷ 146] x 100 = 297.95%
Formula
Percentage change = [(581 - 146) / 146] x 100
Subtract the new number by the original number
581 - 146 = 435
435 ÷ 146 = 2.9794520547945207
2.9794520547945207 x 100 = 297.95%