-57.35% is the change from 68 to 29
Calculation steps:
[( 29 - 68 ) ÷ 68] x 100 = -57.35%
Formula
Percentage change = [(29 - 68) / 68] x 100
Subtract the new number by the original number
29 - 68 = -39
-39 ÷ 68 = -0.5735294117647058
-0.5735294117647058 x 100 = -57.35%