-34.06% is the change from 229 to 151
Calculation steps:
[( 151 - 229 ) ÷ 229] x 100 = -34.06%
Formula
Percentage change = [(151 - 229) / 229] x 100
Subtract the new number by the original number
151 - 229 = -78
-78 ÷ 229 = -0.3406113537117904
-0.3406113537117904 x 100 = -34.06%