-96.89% is the change from 225 to 7
Calculation steps:
[( 7 - 225 ) ÷ 225] x 100 = -96.89%
Formula
Percentage change = [(7 - 225) / 225] x 100
Subtract the new number by the original number
7 - 225 = -218
-218 ÷ 225 = -0.9688888888888889
-0.9688888888888889 x 100 = -96.89%