35.76% is the change from 288 to 391
Calculation steps:
[( 391 - 288 ) ÷ 288] x 100 = 35.76%
Formula
Percentage change = [(391 - 288) / 288] x 100
Subtract the new number by the original number
391 - 288 = 103
103 ÷ 288 = 0.3576388888888889
0.3576388888888889 x 100 = 35.76%