263.7% is the change from 146 to 531
Calculation steps:
[( 531 - 146 ) ÷ 146] x 100 = 263.7%
Formula
Percentage change = [(531 - 146) / 146] x 100
Subtract the new number by the original number
531 - 146 = 385
385 ÷ 146 = 2.636986301369863
2.636986301369863 x 100 = 263.7%