-0.1% is the change from 973 to 972
Calculation steps:
[( 972 - 973 ) ÷ 973] x 100 = -0.1%
Formula
Percentage change = [(972 - 973) / 973] x 100
Subtract the new number by the original number
972 - 973 = -1
-1 ÷ 973 = -0.0010277492291880781
-0.0010277492291880781 x 100 = -0.1%