-83.82% is the change from 346 to 56
Calculation steps:
[( 56 - 346 ) ÷ 346] x 100 = -83.82%
Formula
Percentage change = [(56 - 346) / 346] x 100
Subtract the new number by the original number
56 - 346 = -290
-290 ÷ 346 = -0.838150289017341
-0.838150289017341 x 100 = -83.82%