-92.22% is the change from 347 to 27
Calculation steps:
[( 27 - 347 ) ÷ 347] x 100 = -92.22%
Formula
Percentage change = [(27 - 347) / 347] x 100
Subtract the new number by the original number
27 - 347 = -320
-320 ÷ 347 = -0.9221902017291066
-0.9221902017291066 x 100 = -92.22%