-29.41% is the change from 595 to 420
Calculation steps:
[( 420 - 595 ) ÷ 595] x 100 = -29.41%
Formula
Percentage change = [(420 - 595) / 595] x 100
Subtract the new number by the original number
420 - 595 = -175
-175 ÷ 595 = -0.29411764705882354
-0.29411764705882354 x 100 = -29.41%