-4.27% is the change from 351 to 336
Calculation steps:
[( 336 - 351 ) ÷ 351] x 100 = -4.27%
Formula
Percentage change = [(336 - 351) / 351] x 100
Subtract the new number by the original number
336 - 351 = -15
-15 ÷ 351 = -0.042735042735042736
-0.042735042735042736 x 100 = -4.27%