-53.03% is the change from 611 to 287
Calculation steps:
[( 287 - 611 ) ÷ 611] x 100 = -53.03%
Formula
Percentage change = [(287 - 611) / 611] x 100
Subtract the new number by the original number
287 - 611 = -324
-324 ÷ 611 = -0.530278232405892
-0.530278232405892 x 100 = -53.03%