-10.86% is the change from 350 to 312
Calculation steps:
[( 312 - 350 ) ÷ 350] x 100 = -10.86%
Formula
Percentage change = [(312 - 350) / 350] x 100
Subtract the new number by the original number
312 - 350 = -38
-38 ÷ 350 = -0.10857142857142857
-0.10857142857142857 x 100 = -10.86%