-97.2% is the change from 964 to 27
Calculation steps:
[( 27 - 964 ) ÷ 964] x 100 = -97.2%
Formula
Percentage change = [(27 - 964) / 964] x 100
Subtract the new number by the original number
27 - 964 = -937
-937 ÷ 964 = -0.9719917012448133
-0.9719917012448133 x 100 = -97.2%