19.33% is the change from 238 to 284
Calculation steps:
[( 284 - 238 ) ÷ 238] x 100 = 19.33%
Formula
Percentage change = [(284 - 238) / 238] x 100
Subtract the new number by the original number
284 - 238 = 46
46 ÷ 238 = 0.19327731092436976
0.19327731092436976 x 100 = 19.33%