-99.61% is the change from 773 to 3
Calculation steps:
[( 3 - 773 ) ÷ 773] x 100 = -99.61%
Formula
Percentage change = [(3 - 773) / 773] x 100
Subtract the new number by the original number
3 - 773 = -770
-770 ÷ 773 = -0.9961190168175937
-0.9961190168175937 x 100 = -99.61%