-85.71% is the change from 77 to 11
Calculation steps:
[( 11 - 77 ) ÷ 77] x 100 = -85.71%
Formula
Percentage change = [(11 - 77) / 77] x 100
Subtract the new number by the original number
11 - 77 = -66
-66 ÷ 77 = -0.8571428571428571
-0.8571428571428571 x 100 = -85.71%