-96.4% is the change from 778 to 28
Calculation steps:
[( 28 - 778 ) ÷ 778] x 100 = -96.4%
Formula
Percentage change = [(28 - 778) / 778] x 100
Subtract the new number by the original number
28 - 778 = -750
-750 ÷ 778 = -0.9640102827763496
-0.9640102827763496 x 100 = -96.4%