-96.05% is the change from 228 to 9
Calculation steps:
[( 9 - 228 ) ÷ 228] x 100 = -96.05%
Formula
Percentage change = [(9 - 228) / 228] x 100
Subtract the new number by the original number
9 - 228 = -219
-219 ÷ 228 = -0.9605263157894737
-0.9605263157894737 x 100 = -96.05%