51.41% is the change from 284 to 430
Calculation steps:
[( 430 - 284 ) ÷ 284] x 100 = 51.41%
Formula
Percentage change = [(430 - 284) / 284] x 100
Subtract the new number by the original number
430 - 284 = 146
146 ÷ 284 = 0.5140845070422535
0.5140845070422535 x 100 = 51.41%