-20.83% is the change from 264 to 209
Calculation steps:
[( 209 - 264 ) ÷ 264] x 100 = -20.83%
Formula
Percentage change = [(209 - 264) / 264] x 100
Subtract the new number by the original number
209 - 264 = -55
-55 ÷ 264 = -0.20833333333333334
-0.20833333333333334 x 100 = -20.83%