-99.59% is the change from 973 to 4
Calculation steps:
[( 4 - 973 ) ÷ 973] x 100 = -99.59%
Formula
Percentage change = [(4 - 973) / 973] x 100
Subtract the new number by the original number
4 - 973 = -969
-969 ÷ 973 = -0.9958890030832477
-0.9958890030832477 x 100 = -99.59%