-96.93% is the change from 228 to 7
Calculation steps:
[( 7 - 228 ) ÷ 228] x 100 = -96.93%
Formula
Percentage change = [(7 - 228) / 228] x 100
Subtract the new number by the original number
7 - 228 = -221
-221 ÷ 228 = -0.9692982456140351
-0.9692982456140351 x 100 = -96.93%