-83.21% is the change from 959 to 161
Calculation steps:
[( 161 - 959 ) ÷ 959] x 100 = -83.21%
Formula
Percentage change = [(161 - 959) / 959] x 100
Subtract the new number by the original number
161 - 959 = -798
-798 ÷ 959 = -0.8321167883211679
-0.8321167883211679 x 100 = -83.21%