-26.61% is the change from 823 to 604
Calculation steps:
[( 604 - 823 ) ÷ 823] x 100 = -26.61%
Formula
Percentage change = [(604 - 823) / 823] x 100
Subtract the new number by the original number
604 - 823 = -219
-219 ÷ 823 = -0.2660996354799514
-0.2660996354799514 x 100 = -26.61%