-4.72% is the change from 360 to 343
Calculation steps:
[( 343 - 360 ) ÷ 360] x 100 = -4.72%
Formula
Percentage change = [(343 - 360) / 360] x 100
Subtract the new number by the original number
343 - 360 = -17
-17 ÷ 360 = -0.04722222222222222
-0.04722222222222222 x 100 = -4.72%