-26.23% is the change from 305 to 225
Calculation steps:
[( 225 - 305 ) ÷ 305] x 100 = -26.23%
Formula
Percentage change = [(225 - 305) / 305] x 100
Subtract the new number by the original number
225 - 305 = -80
-80 ÷ 305 = -0.26229508196721313
-0.26229508196721313 x 100 = -26.23%