-81.75% is the change from 274 to 50
Calculation steps:
[( 50 - 274 ) ÷ 274] x 100 = -81.75%
Formula
Percentage change = [(50 - 274) / 274] x 100
Subtract the new number by the original number
50 - 274 = -224
-224 ÷ 274 = -0.8175182481751825
-0.8175182481751825 x 100 = -81.75%