-68.52% is the change from 845 to 266
Calculation steps:
[( 266 - 845 ) ÷ 845] x 100 = -68.52%
Formula
Percentage change = [(266 - 845) / 845] x 100
Subtract the new number by the original number
266 - 845 = -579
-579 ÷ 845 = -0.685207100591716
-0.685207100591716 x 100 = -68.52%