-81.76% is the change from 943 to 172
Calculation steps:
[( 172 - 943 ) ÷ 943] x 100 = -81.76%
Formula
Percentage change = [(172 - 943) / 943] x 100
Subtract the new number by the original number
172 - 943 = -771
-771 ÷ 943 = -0.8176033934252386
-0.8176033934252386 x 100 = -81.76%