47.89% is the change from 284 to 420
Calculation steps:
[( 420 - 284 ) ÷ 284] x 100 = 47.89%
Formula
Percentage change = [(420 - 284) / 284] x 100
Subtract the new number by the original number
420 - 284 = 136
136 ÷ 284 = 0.4788732394366197
0.4788732394366197 x 100 = 47.89%