-98.77% is the change from 973 to 12
Calculation steps:
[( 12 - 973 ) ÷ 973] x 100 = -98.77%
Formula
Percentage change = [(12 - 973) / 973] x 100
Subtract the new number by the original number
12 - 973 = -961
-961 ÷ 973 = -0.987667009249743
-0.987667009249743 x 100 = -98.77%