-12.08% is the change from 927 to 815
Calculation steps:
[( 815 - 927 ) ÷ 927] x 100 = -12.08%
Formula
Percentage change = [(815 - 927) / 927] x 100
Subtract the new number by the original number
815 - 927 = -112
-112 ÷ 927 = -0.12081984897518878
-0.12081984897518878 x 100 = -12.08%