-99.34% is the change from 606 to 4
Calculation steps:
[( 4 - 606 ) ÷ 606] x 100 = -99.34%
Formula
Percentage change = [(4 - 606) / 606] x 100
Subtract the new number by the original number
4 - 606 = -602
-602 ÷ 606 = -0.9933993399339934
-0.9933993399339934 x 100 = -99.34%