7.04% is the change from 284 to 304
Calculation steps:
[( 304 - 284 ) ÷ 284] x 100 = 7.04%
Formula
Percentage change = [(304 - 284) / 284] x 100
Subtract the new number by the original number
304 - 284 = 20
20 ÷ 284 = 0.07042253521126761
0.07042253521126761 x 100 = 7.04%