-12.15% is the change from 930 to 817
Calculation steps:
[( 817 - 930 ) ÷ 930] x 100 = -12.15%
Formula
Percentage change = [(817 - 930) / 930] x 100
Subtract the new number by the original number
817 - 930 = -113
-113 ÷ 930 = -0.12150537634408602
-0.12150537634408602 x 100 = -12.15%