-14.09% is the change from 220 to 189
Calculation steps:
[( 189 - 220 ) ÷ 220] x 100 = -14.09%
Formula
Percentage change = [(189 - 220) / 220] x 100
Subtract the new number by the original number
189 - 220 = -31
-31 ÷ 220 = -0.1409090909090909
-0.1409090909090909 x 100 = -14.09%