-84.2% is the change from 348 to 55
Calculation steps:
[( 55 - 348 ) ÷ 348] x 100 = -84.2%
Formula
Percentage change = [(55 - 348) / 348] x 100
Subtract the new number by the original number
55 - 348 = -293
-293 ÷ 348 = -0.8419540229885057
-0.8419540229885057 x 100 = -84.2%