210.96% is the change from 146 to 454
Calculation steps:
[( 454 - 146 ) ÷ 146] x 100 = 210.96%
Formula
Percentage change = [(454 - 146) / 146] x 100
Subtract the new number by the original number
454 - 146 = 308
308 ÷ 146 = 2.1095890410958904
2.1095890410958904 x 100 = 210.96%