-30.77% is the change from 962 to 666
Calculation steps:
[( 666 - 962 ) ÷ 962] x 100 = -30.77%
Formula
Percentage change = [(666 - 962) / 962] x 100
Subtract the new number by the original number
666 - 962 = -296
-296 ÷ 962 = -0.3076923076923077
-0.3076923076923077 x 100 = -30.77%