212.33% is the change from 146 to 456
Calculation steps:
[( 456 - 146 ) ÷ 146] x 100 = 212.33%
Formula
Percentage change = [(456 - 146) / 146] x 100
Subtract the new number by the original number
456 - 146 = 310
310 ÷ 146 = 2.1232876712328768
2.1232876712328768 x 100 = 212.33%