-63.92% is the change from 776 to 280
Calculation steps:
[( 280 - 776 ) ÷ 776] x 100 = -63.92%
Formula
Percentage change = [(280 - 776) / 776] x 100
Subtract the new number by the original number
280 - 776 = -496
-496 ÷ 776 = -0.6391752577319587
-0.6391752577319587 x 100 = -63.92%