-28.13% is the change from 807 to 580
Calculation steps:
[( 580 - 807 ) ÷ 807] x 100 = -28.13%
Formula
Percentage change = [(580 - 807) / 807] x 100
Subtract the new number by the original number
580 - 807 = -227
-227 ÷ 807 = -0.2812887236679058
-0.2812887236679058 x 100 = -28.13%