96.77% is the change from 279 to 549
Calculation steps:
[( 549 - 279 ) ÷ 279] x 100 = 96.77%
Formula
Percentage change = [(549 - 279) / 279] x 100
Subtract the new number by the original number
549 - 279 = 270
270 ÷ 279 = 0.967741935483871
0.967741935483871 x 100 = 96.77%