-11.54% is the change from 927 to 820
Calculation steps:
[( 820 - 927 ) ÷ 927] x 100 = -11.54%
Formula
Percentage change = [(820 - 927) / 927] x 100
Subtract the new number by the original number
820 - 927 = -107
-107 ÷ 927 = -0.11542610571736785
-0.11542610571736785 x 100 = -11.54%