-90.05% is the change from 734 to 73
Calculation steps:
[( 73 - 734 ) ÷ 734] x 100 = -90.05%
Formula
Percentage change = [(73 - 734) / 734] x 100
Subtract the new number by the original number
73 - 734 = -661
-661 ÷ 734 = -0.9005449591280654
-0.9005449591280654 x 100 = -90.05%