-0.72% is the change from 418 to 415
Calculation steps:
[( 415 - 418 ) ÷ 418] x 100 = -0.72%
Formula
Percentage change = [(415 - 418) / 418] x 100
Subtract the new number by the original number
415 - 418 = -3
-3 ÷ 418 = -0.007177033492822967
-0.007177033492822967 x 100 = -0.72%