-37.8% is the change from 336 to 209
Calculation steps:
[( 209 - 336 ) ÷ 336] x 100 = -37.8%
Formula
Percentage change = [(209 - 336) / 336] x 100
Subtract the new number by the original number
209 - 336 = -127
-127 ÷ 336 = -0.37797619047619047
-0.37797619047619047 x 100 = -37.8%