-0.67% is the change from 601 to 597
Calculation steps:
[( 597 - 601 ) ÷ 601] x 100 = -0.67%
Formula
Percentage change = [(597 - 601) / 601] x 100
Subtract the new number by the original number
597 - 601 = -4
-4 ÷ 601 = -0.0066555740432612314
-0.0066555740432612314 x 100 = -0.67%