-25.13% is the change from 199 to 149
Calculation steps:
[( 149 - 199 ) ÷ 199] x 100 = -25.13%
Formula
Percentage change = [(149 - 199) / 199] x 100
Subtract the new number by the original number
149 - 199 = -50
-50 ÷ 199 = -0.25125628140703515
-0.25125628140703515 x 100 = -25.13%