-99.33% is the change from 597 to 4
Calculation steps:
[( 4 - 597 ) ÷ 597] x 100 = -99.33%
Formula
Percentage change = [(4 - 597) / 597] x 100
Subtract the new number by the original number
4 - 597 = -593
-593 ÷ 597 = -0.9932998324958124
-0.9932998324958124 x 100 = -99.33%