-84.15% is the change from 347 to 55
Calculation steps:
[( 55 - 347 ) ÷ 347] x 100 = -84.15%
Formula
Percentage change = [(55 - 347) / 347] x 100
Subtract the new number by the original number
55 - 347 = -292
-292 ÷ 347 = -0.8414985590778098
-0.8414985590778098 x 100 = -84.15%