-32.25% is the change from 493 to 334
Calculation steps:
[( 334 - 493 ) ÷ 493] x 100 = -32.25%
Formula
Percentage change = [(334 - 493) / 493] x 100
Subtract the new number by the original number
334 - 493 = -159
-159 ÷ 493 = -0.3225152129817444
-0.3225152129817444 x 100 = -32.25%