-34.21% is the change from 418 to 275
Calculation steps:
[( 275 - 418 ) ÷ 418] x 100 = -34.21%
Formula
Percentage change = [(275 - 418) / 418] x 100
Subtract the new number by the original number
275 - 418 = -143
-143 ÷ 418 = -0.34210526315789475
-0.34210526315789475 x 100 = -34.21%