-82.23% is the change from 934 to 166
Calculation steps:
[( 166 - 934 ) ÷ 934] x 100 = -82.23%
Formula
Percentage change = [(166 - 934) / 934] x 100
Subtract the new number by the original number
166 - 934 = -768
-768 ÷ 934 = -0.8222698072805139
-0.8222698072805139 x 100 = -82.23%