-64.4% is the change from 587 to 209
Calculation steps:
[( 209 - 587 ) ÷ 587] x 100 = -64.4%
Formula
Percentage change = [(209 - 587) / 587] x 100
Subtract the new number by the original number
209 - 587 = -378
-378 ÷ 587 = -0.6439522998296422
-0.6439522998296422 x 100 = -64.4%