-91.46% is the change from 773 to 66
Calculation steps:
[( 66 - 773 ) ÷ 773] x 100 = -91.46%
Formula
Percentage change = [(66 - 773) / 773] x 100
Subtract the new number by the original number
66 - 773 = -707
-707 ÷ 773 = -0.9146183699870634
-0.9146183699870634 x 100 = -91.46%