-32.78% is the change from 839 to 564
Calculation steps:
[( 564 - 839 ) ÷ 839] x 100 = -32.78%
Formula
Percentage change = [(564 - 839) / 839] x 100
Subtract the new number by the original number
564 - 839 = -275
-275 ÷ 839 = -0.32777115613825986
-0.32777115613825986 x 100 = -32.78%