-23.46% is the change from 243 to 186
Calculation steps:
[( 186 - 243 ) ÷ 243] x 100 = -23.46%
Formula
Percentage change = [(186 - 243) / 243] x 100
Subtract the new number by the original number
186 - 243 = -57
-57 ÷ 243 = -0.2345679012345679
-0.2345679012345679 x 100 = -23.46%