246.58% is the change from 146 to 506
Calculation steps:
[( 506 - 146 ) ÷ 146] x 100 = 246.58%
Formula
Percentage change = [(506 - 146) / 146] x 100
Subtract the new number by the original number
506 - 146 = 360
360 ÷ 146 = 2.4657534246575343
2.4657534246575343 x 100 = 246.58%