-83.39% is the change from 301 to 50
Calculation steps:
[( 50 - 301 ) ÷ 301] x 100 = -83.39%
Formula
Percentage change = [(50 - 301) / 301] x 100
Subtract the new number by the original number
50 - 301 = -251
-251 ÷ 301 = -0.8338870431893688
-0.8338870431893688 x 100 = -83.39%