56.85% is the change from 146 to 229
Calculation steps:
[( 229 - 146 ) ÷ 146] x 100 = 56.85%
Formula
Percentage change = [(229 - 146) / 146] x 100
Subtract the new number by the original number
229 - 146 = 83
83 ÷ 146 = 0.5684931506849316
0.5684931506849316 x 100 = 56.85%