-63.78% is the change from 577 to 209
Calculation steps:
[( 209 - 577 ) ÷ 577] x 100 = -63.78%
Formula
Percentage change = [(209 - 577) / 577] x 100
Subtract the new number by the original number
209 - 577 = -368
-368 ÷ 577 = -0.6377816291161178
-0.6377816291161178 x 100 = -63.78%