-99.67% is the change from 601 to 2
Calculation steps:
[( 2 - 601 ) ÷ 601] x 100 = -99.67%
Formula
Percentage change = [(2 - 601) / 601] x 100
Subtract the new number by the original number
2 - 601 = -599
-599 ÷ 601 = -0.9966722129783694
-0.9966722129783694 x 100 = -99.67%