-3.63% is the change from 827 to 797
Calculation steps:
[( 797 - 827 ) ÷ 827] x 100 = -3.63%
Formula
Percentage change = [(797 - 827) / 827] x 100
Subtract the new number by the original number
797 - 827 = -30
-30 ÷ 827 = -0.036275695284159616
-0.036275695284159616 x 100 = -3.63%