-10.46% is the change from 927 to 830
Calculation steps:
[( 830 - 927 ) ÷ 927] x 100 = -10.46%
Formula
Percentage change = [(830 - 927) / 927] x 100
Subtract the new number by the original number
830 - 927 = -97
-97 ÷ 927 = -0.104638619201726
-0.104638619201726 x 100 = -10.46%