-31.25% is the change from 304 to 209
Calculation steps:
[( 209 - 304 ) ÷ 304] x 100 = -31.25%
Formula
Percentage change = [(209 - 304) / 304] x 100
Subtract the new number by the original number
209 - 304 = -95
-95 ÷ 304 = -0.3125
-0.3125 x 100 = -31.25%