-64.87% is the change from 797 to 280
Calculation steps:
[( 280 - 797 ) ÷ 797] x 100 = -64.87%
Formula
Percentage change = [(280 - 797) / 797] x 100
Subtract the new number by the original number
280 - 797 = -517
-517 ÷ 797 = -0.6486825595984943
-0.6486825595984943 x 100 = -64.87%