-36.36% is the change from 11 to 7
Calculation steps:
[( 7 - 11 ) ÷ 11] x 100 = -36.36%
Formula
Percentage change = [(7 - 11) / 11] x 100
Subtract the new number by the original number
7 - 11 = -4
-4 ÷ 11 = -0.36363636363636365
-0.36363636363636365 x 100 = -36.36%