-12.3% is the change from 187 to 164
Calculation steps:
[( 164 - 187 ) ÷ 187] x 100 = -12.3%
Formula
Percentage change = [(164 - 187) / 187] x 100
Subtract the new number by the original number
164 - 187 = -23
-23 ÷ 187 = -0.12299465240641712
-0.12299465240641712 x 100 = -12.3%