-91.16% is the change from 747 to 66
Calculation steps:
[( 66 - 747 ) ÷ 747] x 100 = -91.16%
Formula
Percentage change = [(66 - 747) / 747] x 100
Subtract the new number by the original number
66 - 747 = -681
-681 ÷ 747 = -0.9116465863453815
-0.9116465863453815 x 100 = -91.16%