7.55% is the change from 278 to 299
Calculation steps:
[( 299 - 278 ) ÷ 278] x 100 = 7.55%
Formula
Percentage change = [(299 - 278) / 278] x 100
Subtract the new number by the original number
299 - 278 = 21
21 ÷ 278 = 0.07553956834532374
0.07553956834532374 x 100 = 7.55%