286.3% is the change from 146 to 564
Calculation steps:
[( 564 - 146 ) ÷ 146] x 100 = 286.3%
Formula
Percentage change = [(564 - 146) / 146] x 100
Subtract the new number by the original number
564 - 146 = 418
418 ÷ 146 = 2.863013698630137
2.863013698630137 x 100 = 286.3%