-2.99% is the change from 802 to 778
Calculation steps:
[( 778 - 802 ) ÷ 802] x 100 = -2.99%
Formula
Percentage change = [(778 - 802) / 802] x 100
Subtract the new number by the original number
778 - 802 = -24
-24 ÷ 802 = -0.029925187032418952
-0.029925187032418952 x 100 = -2.99%