-11.69% is the change from 77 to 68
Calculation steps:
[( 68 - 77 ) ÷ 77] x 100 = -11.69%
Formula
Percentage change = [(68 - 77) / 77] x 100
Subtract the new number by the original number
68 - 77 = -9
-9 ÷ 77 = -0.11688311688311688
-0.11688311688311688 x 100 = -11.69%