-56.43% is the change from 661 to 288
Calculation steps:
[( 288 - 661 ) ÷ 661] x 100 = -56.43%
Formula
Percentage change = [(288 - 661) / 661] x 100
Subtract the new number by the original number
288 - 661 = -373
-373 ÷ 661 = -0.5642965204236006
-0.5642965204236006 x 100 = -56.43%