-92.96% is the change from 597 to 42
Calculation steps:
[( 42 - 597 ) ÷ 597] x 100 = -92.96%
Formula
Percentage change = [(42 - 597) / 597] x 100
Subtract the new number by the original number
42 - 597 = -555
-555 ÷ 597 = -0.9296482412060302
-0.9296482412060302 x 100 = -92.96%