-11.64% is the change from 928 to 820
Calculation steps:
[( 820 - 928 ) ÷ 928] x 100 = -11.64%
Formula
Percentage change = [(820 - 928) / 928] x 100
Subtract the new number by the original number
820 - 928 = -108
-108 ÷ 928 = -0.11637931034482758
-0.11637931034482758 x 100 = -11.64%