57.14% is the change from 7 to 11
Calculation steps:
[( 11 - 7 ) ÷ 7] x 100 = 57.14%
Formula
Percentage change = [(11 - 7) / 7] x 100
Subtract the new number by the original number
11 - 7 = 4
4 ÷ 7 = 0.5714285714285714
0.5714285714285714 x 100 = 57.14%