-21.51% is the change from 186 to 146
Calculation steps:
[( 146 - 186 ) ÷ 186] x 100 = -21.51%
Formula
Percentage change = [(146 - 186) / 186] x 100
Subtract the new number by the original number
146 - 186 = -40
-40 ÷ 186 = -0.21505376344086022
-0.21505376344086022 x 100 = -21.51%