4.9% is the change from 551 to 578
Calculation steps:
[( 578 - 551 ) ÷ 551] x 100 = 4.9%
Formula
Percentage change = [(578 - 551) / 551] x 100
Subtract the new number by the original number
578 - 551 = 27
27 ÷ 551 = 0.04900181488203267
0.04900181488203267 x 100 = 4.9%