-32.62% is the change from 981 to 661
Calculation steps:
[( 661 - 981 ) ÷ 981] x 100 = -32.62%
Formula
Percentage change = [(661 - 981) / 981] x 100
Subtract the new number by the original number
661 - 981 = -320
-320 ÷ 981 = -0.32619775739041795
-0.32619775739041795 x 100 = -32.62%