-29.52% is the change from 945 to 666
Calculation steps:
[( 666 - 945 ) ÷ 945] x 100 = -29.52%
Formula
Percentage change = [(666 - 945) / 945] x 100
Subtract the new number by the original number
666 - 945 = -279
-279 ÷ 945 = -0.29523809523809524
-0.29523809523809524 x 100 = -29.52%