-26.09% is the change from 414 to 306
Calculation steps:
[( 306 - 414 ) ÷ 414] x 100 = -26.09%
Formula
Percentage change = [(306 - 414) / 414] x 100
Subtract the new number by the original number
306 - 414 = -108
-108 ÷ 414 = -0.2608695652173913
-0.2608695652173913 x 100 = -26.09%