-15.08% is the change from 305 to 259
Calculation steps:
[( 259 - 305 ) ÷ 305] x 100 = -15.08%
Formula
Percentage change = [(259 - 305) / 305] x 100
Subtract the new number by the original number
259 - 305 = -46
-46 ÷ 305 = -0.15081967213114755
-0.15081967213114755 x 100 = -15.08%