-15.42% is the change from 493 to 417
Calculation steps:
[( 417 - 493 ) ÷ 493] x 100 = -15.42%
Formula
Percentage change = [(417 - 493) / 493] x 100
Subtract the new number by the original number
417 - 493 = -76
-76 ÷ 493 = -0.15415821501014199
-0.15415821501014199 x 100 = -15.42%