-2.66% is the change from 827 to 805
Calculation steps:
[( 805 - 827 ) ÷ 827] x 100 = -2.66%
Formula
Percentage change = [(805 - 827) / 827] x 100
Subtract the new number by the original number
805 - 827 = -22
-22 ÷ 827 = -0.026602176541717048
-0.026602176541717048 x 100 = -2.66%