-98.01% is the change from 957 to 19
Calculation steps:
[( 19 - 957 ) ÷ 957] x 100 = -98.01%
Formula
Percentage change = [(19 - 957) / 957] x 100
Subtract the new number by the original number
19 - 957 = -938
-938 ÷ 957 = -0.9801462904911181
-0.9801462904911181 x 100 = -98.01%