-96.88% is the change from 224 to 7
Calculation steps:
[( 7 - 224 ) ÷ 224] x 100 = -96.88%
Formula
Percentage change = [(7 - 224) / 224] x 100
Subtract the new number by the original number
7 - 224 = -217
-217 ÷ 224 = -0.96875
-0.96875 x 100 = -96.88%