52.82% is the change from 284 to 434
Calculation steps:
[( 434 - 284 ) ÷ 284] x 100 = 52.82%
Formula
Percentage change = [(434 - 284) / 284] x 100
Subtract the new number by the original number
434 - 284 = 150
150 ÷ 284 = 0.528169014084507
0.528169014084507 x 100 = 52.82%