-86.53% is the change from 349 to 47
Calculation steps:
[( 47 - 349 ) ÷ 349] x 100 = -86.53%
Formula
Percentage change = [(47 - 349) / 349] x 100
Subtract the new number by the original number
47 - 349 = -302
-302 ÷ 349 = -0.8653295128939829
-0.8653295128939829 x 100 = -86.53%