-7.1% is the change from 930 to 864
Calculation steps:
[( 864 - 930 ) ÷ 930] x 100 = -7.1%
Formula
Percentage change = [(864 - 930) / 930] x 100
Subtract the new number by the original number
864 - 930 = -66
-66 ÷ 930 = -0.07096774193548387
-0.07096774193548387 x 100 = -7.1%