-21.05% is the change from 228 to 180
Calculation steps:
[( 180 - 228 ) ÷ 228] x 100 = -21.05%
Formula
Percentage change = [(180 - 228) / 228] x 100
Subtract the new number by the original number
180 - 228 = -48
-48 ÷ 228 = -0.21052631578947367
-0.21052631578947367 x 100 = -21.05%