-68.51% is the change from 597 to 188
Calculation steps:
[( 188 - 597 ) ÷ 597] x 100 = -68.51%
Formula
Percentage change = [(188 - 597) / 597] x 100
Subtract the new number by the original number
188 - 597 = -409
-409 ÷ 597 = -0.6850921273031826
-0.6850921273031826 x 100 = -68.51%