-30.19% is the change from 318 to 222
Calculation steps:
[( 222 - 318 ) ÷ 318] x 100 = -30.19%
Formula
Percentage change = [(222 - 318) / 318] x 100
Subtract the new number by the original number
222 - 318 = -96
-96 ÷ 318 = -0.3018867924528302
-0.3018867924528302 x 100 = -30.19%