-90.6% is the change from 234 to 22
Calculation steps:
[( 22 - 234 ) ÷ 234] x 100 = -90.6%
Formula
Percentage change = [(22 - 234) / 234] x 100
Subtract the new number by the original number
22 - 234 = -212
-212 ÷ 234 = -0.905982905982906
-0.905982905982906 x 100 = -90.6%