-30.83% is the change from 493 to 341
Calculation steps:
[( 341 - 493 ) ÷ 493] x 100 = -30.83%
Formula
Percentage change = [(341 - 493) / 493] x 100
Subtract the new number by the original number
341 - 493 = -152
-152 ÷ 493 = -0.30831643002028397
-0.30831643002028397 x 100 = -30.83%