-92.39% is the change from 355 to 27
Calculation steps:
[( 27 - 355 ) ÷ 355] x 100 = -92.39%
Formula
Percentage change = [(27 - 355) / 355] x 100
Subtract the new number by the original number
27 - 355 = -328
-328 ÷ 355 = -0.923943661971831
-0.923943661971831 x 100 = -92.39%