-42.45% is the change from 596 to 343
Calculation steps:
[( 343 - 596 ) ÷ 596] x 100 = -42.45%
Formula
Percentage change = [(343 - 596) / 596] x 100
Subtract the new number by the original number
343 - 596 = -253
-253 ÷ 596 = -0.42449664429530204
-0.42449664429530204 x 100 = -42.45%