-29.17% is the change from 593 to 420
Calculation steps:
[( 420 - 593 ) ÷ 593] x 100 = -29.17%
Formula
Percentage change = [(420 - 593) / 593] x 100
Subtract the new number by the original number
420 - 593 = -173
-173 ÷ 593 = -0.2917369308600337
-0.2917369308600337 x 100 = -29.17%