-36.09% is the change from 338 to 216
Calculation steps:
[( 216 - 338 ) ÷ 338] x 100 = -36.09%
Formula
Percentage change = [(216 - 338) / 338] x 100
Subtract the new number by the original number
216 - 338 = -122
-122 ÷ 338 = -0.3609467455621302
-0.3609467455621302 x 100 = -36.09%