-12.95% is the change from 386 to 336
Calculation steps:
[( 336 - 386 ) ÷ 386] x 100 = -12.95%
Formula
Percentage change = [(336 - 386) / 386] x 100
Subtract the new number by the original number
336 - 386 = -50
-50 ÷ 386 = -0.12953367875647667
-0.12953367875647667 x 100 = -12.95%