-36.4% is the change from 228 to 145
Calculation steps:
[( 145 - 228 ) ÷ 228] x 100 = -36.4%
Formula
Percentage change = [(145 - 228) / 228] x 100
Subtract the new number by the original number
145 - 228 = -83
-83 ÷ 228 = -0.36403508771929827
-0.36403508771929827 x 100 = -36.4%