-21.4% is the change from 229 to 180
Calculation steps:
[( 180 - 229 ) ÷ 229] x 100 = -21.4%
Formula
Percentage change = [(180 - 229) / 229] x 100
Subtract the new number by the original number
180 - 229 = -49
-49 ÷ 229 = -0.21397379912663755
-0.21397379912663755 x 100 = -21.4%