-11.43% is the change from 210 to 186
Calculation steps:
[( 186 - 210 ) ÷ 210] x 100 = -11.43%
Formula
Percentage change = [(186 - 210) / 210] x 100
Subtract the new number by the original number
186 - 210 = -24
-24 ÷ 210 = -0.11428571428571428
-0.11428571428571428 x 100 = -11.43%