-3.05% is the change from 853 to 827
Calculation steps:
[( 827 - 853 ) ÷ 853] x 100 = -3.05%
Formula
Percentage change = [(827 - 853) / 853] x 100
Subtract the new number by the original number
827 - 853 = -26
-26 ÷ 853 = -0.03048065650644783
-0.03048065650644783 x 100 = -3.05%