-84.07% is the change from 973 to 155
Calculation steps:
[( 155 - 973 ) ÷ 973] x 100 = -84.07%
Formula
Percentage change = [(155 - 973) / 973] x 100
Subtract the new number by the original number
155 - 973 = -818
-818 ÷ 973 = -0.8406988694758479
-0.8406988694758479 x 100 = -84.07%