258.9% is the change from 146 to 524
Calculation steps:
[( 524 - 146 ) ÷ 146] x 100 = 258.9%
Formula
Percentage change = [(524 - 146) / 146] x 100
Subtract the new number by the original number
524 - 146 = 378
378 ÷ 146 = 2.589041095890411
2.589041095890411 x 100 = 258.9%