-4.49% is the change from 356 to 340
Calculation steps:
[( 340 - 356 ) ÷ 356] x 100 = -4.49%
Formula
Percentage change = [(340 - 356) / 356] x 100
Subtract the new number by the original number
340 - 356 = -16
-16 ÷ 356 = -0.0449438202247191
-0.0449438202247191 x 100 = -4.49%