-36.96% is the change from 230 to 145
Calculation steps:
[( 145 - 230 ) ÷ 230] x 100 = -36.96%
Formula
Percentage change = [(145 - 230) / 230] x 100
Subtract the new number by the original number
145 - 230 = -85
-85 ÷ 230 = -0.3695652173913043
-0.3695652173913043 x 100 = -36.96%