-91.01% is the change from 734 to 66
Calculation steps:
[( 66 - 734 ) ÷ 734] x 100 = -91.01%
Formula
Percentage change = [(66 - 734) / 734] x 100
Subtract the new number by the original number
66 - 734 = -668
-668 ÷ 734 = -0.9100817438692098
-0.9100817438692098 x 100 = -91.01%