2690% is the change from 10 to 279
Calculation steps:
[( 279 - 10 ) ÷ 10] x 100 = 2690%
Formula
Percentage change = [(279 - 10) / 10] x 100
Subtract the new number by the original number
279 - 10 = 269
269 ÷ 10 = 26.9
26.9 x 100 = 2690%
Example