-35.89% is the change from 535 to 343
Calculation steps:
[( 343 - 535 ) ÷ 535] x 100 = -35.89%
Formula
Percentage change = [(343 - 535) / 535] x 100
Subtract the new number by the original number
343 - 535 = -192
-192 ÷ 535 = -0.35887850467289717
-0.35887850467289717 x 100 = -35.89%