252.74% is the change from 146 to 515
Calculation steps:
[( 515 - 146 ) ÷ 146] x 100 = 252.74%
Formula
Percentage change = [(515 - 146) / 146] x 100
Subtract the new number by the original number
515 - 146 = 369
369 ÷ 146 = 2.5273972602739727
2.5273972602739727 x 100 = 252.74%