-0.1% is the change from 972 to 971
Calculation steps:
[( 971 - 972 ) ÷ 972] x 100 = -0.1%
Formula
Percentage change = [(971 - 972) / 972] x 100
Subtract the new number by the original number
971 - 972 = -1
-1 ÷ 972 = -0.00102880658436214
-0.00102880658436214 x 100 = -0.1%