-76.49% is the change from 706 to 166
Calculation steps:
[( 166 - 706 ) ÷ 706] x 100 = -76.49%
Formula
Percentage change = [(166 - 706) / 706] x 100
Subtract the new number by the original number
166 - 706 = -540
-540 ÷ 706 = -0.7648725212464589
-0.7648725212464589 x 100 = -76.49%