-83.85% is the change from 960 to 155
Calculation steps:
[( 155 - 960 ) ÷ 960] x 100 = -83.85%
Formula
Percentage change = [(155 - 960) / 960] x 100
Subtract the new number by the original number
155 - 960 = -805
-805 ÷ 960 = -0.8385416666666666
-0.8385416666666666 x 100 = -83.85%