8.86% is the change from 350 to 381
Calculation steps:
[( 381 - 350 ) ÷ 350] x 100 = 8.86%
Formula
Percentage change = [(381 - 350) / 350] x 100
Subtract the new number by the original number
381 - 350 = 31
31 ÷ 350 = 0.08857142857142856
0.08857142857142856 x 100 = 8.86%