-84.57% is the change from 959 to 148
Calculation steps:
[( 148 - 959 ) ÷ 959] x 100 = -84.57%
Formula
Percentage change = [(148 - 959) / 959] x 100
Subtract the new number by the original number
148 - 959 = -811
-811 ÷ 959 = -0.8456725755995829
-0.8456725755995829 x 100 = -84.57%