-11.32% is the change from 212 to 188
Calculation steps:
[( 188 - 212 ) ÷ 212] x 100 = -11.32%
Formula
Percentage change = [(188 - 212) / 212] x 100
Subtract the new number by the original number
188 - 212 = -24
-24 ÷ 212 = -0.11320754716981132
-0.11320754716981132 x 100 = -11.32%