-11.8% is the change from 661 to 583
Calculation steps:
[( 583 - 661 ) ÷ 661] x 100 = -11.8%
Formula
Percentage change = [(583 - 661) / 661] x 100
Subtract the new number by the original number
583 - 661 = -78
-78 ÷ 661 = -0.11800302571860817
-0.11800302571860817 x 100 = -11.8%