60.56% is the change from 284 to 456
Calculation steps:
[( 456 - 284 ) ÷ 284] x 100 = 60.56%
Formula
Percentage change = [(456 - 284) / 284] x 100
Subtract the new number by the original number
456 - 284 = 172
172 ÷ 284 = 0.6056338028169014
0.6056338028169014 x 100 = 60.56%