-83.62% is the change from 946 to 155
Calculation steps:
[( 155 - 946 ) ÷ 946] x 100 = -83.62%
Formula
Percentage change = [(155 - 946) / 946] x 100
Subtract the new number by the original number
155 - 946 = -791
-791 ÷ 946 = -0.8361522198731501
-0.8361522198731501 x 100 = -83.62%