-85.67% is the change from 349 to 50
Calculation steps:
[( 50 - 349 ) ÷ 349] x 100 = -85.67%
Formula
Percentage change = [(50 - 349) / 349] x 100
Subtract the new number by the original number
50 - 349 = -299
-299 ÷ 349 = -0.8567335243553008
-0.8567335243553008 x 100 = -85.67%