-64.91% is the change from 778 to 273
Calculation steps:
[( 273 - 778 ) ÷ 778] x 100 = -64.91%
Formula
Percentage change = [(273 - 778) / 778] x 100
Subtract the new number by the original number
273 - 778 = -505
-505 ÷ 778 = -0.6491002570694088
-0.6491002570694088 x 100 = -64.91%