-4.22% is the change from 971 to 930
Calculation steps:
[( 930 - 971 ) ÷ 971] x 100 = -4.22%
Formula
Percentage change = [(930 - 971) / 971] x 100
Subtract the new number by the original number
930 - 971 = -41
-41 ÷ 971 = -0.042224510813594233
-0.042224510813594233 x 100 = -4.22%