-87.16% is the change from 218 to 28
Calculation steps:
[( 28 - 218 ) ÷ 218] x 100 = -87.16%
Formula
Percentage change = [(28 - 218) / 218] x 100
Subtract the new number by the original number
28 - 218 = -190
-190 ÷ 218 = -0.8715596330275229
-0.8715596330275229 x 100 = -87.16%