-21.49% is the change from 228 to 179
Calculation steps:
[( 179 - 228 ) ÷ 228] x 100 = -21.49%
Formula
Percentage change = [(179 - 228) / 228] x 100
Subtract the new number by the original number
179 - 228 = -49
-49 ÷ 228 = -0.2149122807017544
-0.2149122807017544 x 100 = -21.49%