-26.72% is the change from 827 to 606
Calculation steps:
[( 606 - 827 ) ÷ 827] x 100 = -26.72%
Formula
Percentage change = [(606 - 827) / 827] x 100
Subtract the new number by the original number
606 - 827 = -221
-221 ÷ 827 = -0.2672309552599758
-0.2672309552599758 x 100 = -26.72%