-98.03% is the change from 966 to 19
Calculation steps:
[( 19 - 966 ) ÷ 966] x 100 = -98.03%
Formula
Percentage change = [(19 - 966) / 966] x 100
Subtract the new number by the original number
19 - 966 = -947
-947 ÷ 966 = -0.9803312629399586
-0.9803312629399586 x 100 = -98.03%