-91.72% is the change from 773 to 64
Calculation steps:
[( 64 - 773 ) ÷ 773] x 100 = -91.72%
Formula
Percentage change = [(64 - 773) / 773] x 100
Subtract the new number by the original number
64 - 773 = -709
-709 ÷ 773 = -0.9172056921086675
-0.9172056921086675 x 100 = -91.72%