-63.35% is the change from 764 to 280
Calculation steps:
[( 280 - 764 ) ÷ 764] x 100 = -63.35%
Formula
Percentage change = [(280 - 764) / 764] x 100
Subtract the new number by the original number
280 - 764 = -484
-484 ÷ 764 = -0.6335078534031413
-0.6335078534031413 x 100 = -63.35%