-75% is the change from 196 to 49
Calculation steps:
[( 49 - 196 ) ÷ 196] x 100 = -75%
Formula
Percentage change = [(49 - 196) / 196] x 100
Subtract the new number by the original number
49 - 196 = -147
-147 ÷ 196 = -0.75
-0.75 x 100 = -75%
Example