-21.16% is the change from 189 to 149
Calculation steps:
[( 149 - 189 ) ÷ 189] x 100 = -21.16%
Formula
Percentage change = [(149 - 189) / 189] x 100
Subtract the new number by the original number
149 - 189 = -40
-40 ÷ 189 = -0.21164021164021163
-0.21164021164021163 x 100 = -21.16%