-66.79% is the change from 807 to 268
Calculation steps:
[( 268 - 807 ) ÷ 807] x 100 = -66.79%
Formula
Percentage change = [(268 - 807) / 807] x 100
Subtract the new number by the original number
268 - 807 = -539
-539 ÷ 807 = -0.667905824039653
-0.667905824039653 x 100 = -66.79%