-83.51% is the change from 964 to 159
Calculation steps:
[( 159 - 964 ) ÷ 964] x 100 = -83.51%
Formula
Percentage change = [(159 - 964) / 964] x 100
Subtract the new number by the original number
159 - 964 = -805
-805 ÷ 964 = -0.8350622406639004
-0.8350622406639004 x 100 = -83.51%