-11.04% is the change from 661 to 588
Calculation steps:
[( 588 - 661 ) ÷ 661] x 100 = -11.04%
Formula
Percentage change = [(588 - 661) / 661] x 100
Subtract the new number by the original number
588 - 661 = -73
-73 ÷ 661 = -0.11043872919818457
-0.11043872919818457 x 100 = -11.04%