56.16% is the change from 146 to 228
Calculation steps:
[( 228 - 146 ) ÷ 146] x 100 = 56.16%
Formula
Percentage change = [(228 - 146) / 146] x 100
Subtract the new number by the original number
228 - 146 = 82
82 ÷ 146 = 0.5616438356164384
0.5616438356164384 x 100 = 56.16%