-36.31% is the change from 336 to 214
Calculation steps:
[( 214 - 336 ) ÷ 336] x 100 = -36.31%
Formula
Percentage change = [(214 - 336) / 336] x 100
Subtract the new number by the original number
214 - 336 = -122
-122 ÷ 336 = -0.3630952380952381
-0.3630952380952381 x 100 = -36.31%