-62.07% is the change from 29 to 11
Calculation steps:
[( 11 - 29 ) ÷ 29] x 100 = -62.07%
Formula
Percentage change = [(11 - 29) / 29] x 100
Subtract the new number by the original number
11 - 29 = -18
-18 ÷ 29 = -0.6206896551724138
-0.6206896551724138 x 100 = -62.07%