-67.98% is the change from 228 to 73
Calculation steps:
[( 73 - 228 ) ÷ 228] x 100 = -67.98%
Formula
Percentage change = [(73 - 228) / 228] x 100
Subtract the new number by the original number
73 - 228 = -155
-155 ÷ 228 = -0.6798245614035088
-0.6798245614035088 x 100 = -67.98%