-10.42% is the change from 355 to 318
Calculation steps:
[( 318 - 355 ) ÷ 355] x 100 = -10.42%
Formula
Percentage change = [(318 - 355) / 355] x 100
Subtract the new number by the original number
318 - 355 = -37
-37 ÷ 355 = -0.10422535211267606
-0.10422535211267606 x 100 = -10.42%