-77.17% is the change from 727 to 166
Calculation steps:
[( 166 - 727 ) ÷ 727] x 100 = -77.17%
Formula
Percentage change = [(166 - 727) / 727] x 100
Subtract the new number by the original number
166 - 727 = -561
-561 ÷ 727 = -0.7716643741403026
-0.7716643741403026 x 100 = -77.17%