-96% is the change from 225 to 9
Calculation steps:
[( 9 - 225 ) ÷ 225] x 100 = -96%
Formula
Percentage change = [(9 - 225) / 225] x 100
Subtract the new number by the original number
9 - 225 = -216
-216 ÷ 225 = -0.96
-0.96 x 100 = -96%
Example