-24% is the change from 275 to 209
Calculation steps:
[( 209 - 275 ) ÷ 275] x 100 = -24%
Formula
Percentage change = [(209 - 275) / 275] x 100
Subtract the new number by the original number
209 - 275 = -66
-66 ÷ 275 = -0.24
-0.24 x 100 = -24%
Example