-99.58% is the change from 947 to 4
Calculation steps:
[( 4 - 947 ) ÷ 947] x 100 = -99.58%
Formula
Percentage change = [(4 - 947) / 947] x 100
Subtract the new number by the original number
4 - 947 = -943
-943 ÷ 947 = -0.9957761351636748
-0.9957761351636748 x 100 = -99.58%