-77.66% is the change from 743 to 166
Calculation steps:
[( 166 - 743 ) ÷ 743] x 100 = -77.66%
Formula
Percentage change = [(166 - 743) / 743] x 100
Subtract the new number by the original number
166 - 743 = -577
-577 ÷ 743 = -0.7765814266487214
-0.7765814266487214 x 100 = -77.66%