-15.32% is the change from 222 to 188
Calculation steps:
[( 188 - 222 ) ÷ 222] x 100 = -15.32%
Formula
Percentage change = [(188 - 222) / 222] x 100
Subtract the new number by the original number
188 - 222 = -34
-34 ÷ 222 = -0.15315315315315314
-0.15315315315315314 x 100 = -15.32%