-2.8% is the change from 357 to 347
Calculation steps:
[( 347 - 357 ) ÷ 357] x 100 = -2.8%
Formula
Percentage change = [(347 - 357) / 357] x 100
Subtract the new number by the original number
347 - 357 = -10
-10 ÷ 357 = -0.028011204481792718
-0.028011204481792718 x 100 = -2.8%