28.78% is the change from 278 to 358
Calculation steps:
[( 358 - 278 ) ÷ 278] x 100 = 28.78%
Formula
Percentage change = [(358 - 278) / 278] x 100
Subtract the new number by the original number
358 - 278 = 80
80 ÷ 278 = 0.28776978417266186
0.28776978417266186 x 100 = 28.78%