-28.31% is the change from 597 to 428
Calculation steps:
[( 428 - 597 ) ÷ 597] x 100 = -28.31%
Formula
Percentage change = [(428 - 597) / 597] x 100
Subtract the new number by the original number
428 - 597 = -169
-169 ÷ 597 = -0.2830820770519263
-0.2830820770519263 x 100 = -28.31%