-23.39% is the change from 218 to 167
Calculation steps:
[( 167 - 218 ) ÷ 218] x 100 = -23.39%
Formula
Percentage change = [(167 - 218) / 218] x 100
Subtract the new number by the original number
167 - 218 = -51
-51 ÷ 218 = -0.23394495412844038
-0.23394495412844038 x 100 = -23.39%