-96.92% is the change from 973 to 30
Calculation steps:
[( 30 - 973 ) ÷ 973] x 100 = -96.92%
Formula
Percentage change = [(30 - 973) / 973] x 100
Subtract the new number by the original number
30 - 973 = -943
-943 ÷ 973 = -0.9691675231243576
-0.9691675231243576 x 100 = -96.92%