-10.67% is the change from 356 to 318
Calculation steps:
[( 318 - 356 ) ÷ 356] x 100 = -10.67%
Formula
Percentage change = [(318 - 356) / 356] x 100
Subtract the new number by the original number
318 - 356 = -38
-38 ÷ 356 = -0.10674157303370786
-0.10674157303370786 x 100 = -10.67%