-67.78% is the change from 807 to 260
Calculation steps:
[( 260 - 807 ) ÷ 807] x 100 = -67.78%
Formula
Percentage change = [(260 - 807) / 807] x 100
Subtract the new number by the original number
260 - 807 = -547
-547 ÷ 807 = -0.677819083023544
-0.677819083023544 x 100 = -67.78%