-98.03% is the change from 964 to 19
Calculation steps:
[( 19 - 964 ) ÷ 964] x 100 = -98.03%
Formula
Percentage change = [(19 - 964) / 964] x 100
Subtract the new number by the original number
19 - 964 = -945
-945 ÷ 964 = -0.9802904564315352
-0.9802904564315352 x 100 = -98.03%