-74.49% is the change from 196 to 50
Calculation steps:
[( 50 - 196 ) ÷ 196] x 100 = -74.49%
Formula
Percentage change = [(50 - 196) / 196] x 100
Subtract the new number by the original number
50 - 196 = -146
-146 ÷ 196 = -0.7448979591836735
-0.7448979591836735 x 100 = -74.49%