0.36% is the change from 279 to 280
Calculation steps:
[( 280 - 279 ) ÷ 279] x 100 = 0.36%
Formula
Percentage change = [(280 - 279) / 279] x 100
Subtract the new number by the original number
280 - 279 = 1
1 ÷ 279 = 0.0035842293906810036
0.0035842293906810036 x 100 = 0.36%