-85.67% is the change from 342 to 49
Calculation steps:
[( 49 - 342 ) ÷ 342] x 100 = -85.67%
Formula
Percentage change = [(49 - 342) / 342] x 100
Subtract the new number by the original number
49 - 342 = -293
-293 ÷ 342 = -0.8567251461988304
-0.8567251461988304 x 100 = -85.67%