-15.48% is the change from 491 to 415
Calculation steps:
[( 415 - 491 ) ÷ 491] x 100 = -15.48%
Formula
Percentage change = [(415 - 491) / 491] x 100
Subtract the new number by the original number
415 - 491 = -76
-76 ÷ 491 = -0.15478615071283094
-0.15478615071283094 x 100 = -15.48%