-81.86% is the change from 948 to 172
Calculation steps:
[( 172 - 948 ) ÷ 948] x 100 = -81.86%
Formula
Percentage change = [(172 - 948) / 948] x 100
Subtract the new number by the original number
172 - 948 = -776
-776 ÷ 948 = -0.8185654008438819
-0.8185654008438819 x 100 = -81.86%