97.49% is the change from 279 to 551
Calculation steps:
[( 551 - 279 ) ÷ 279] x 100 = 97.49%
Formula
Percentage change = [(551 - 279) / 279] x 100
Subtract the new number by the original number
551 - 279 = 272
272 ÷ 279 = 0.974910394265233
0.974910394265233 x 100 = 97.49%