-90.09% is the change from 737 to 73
Calculation steps:
[( 73 - 737 ) ÷ 737] x 100 = -90.09%
Formula
Percentage change = [(73 - 737) / 737] x 100
Subtract the new number by the original number
73 - 737 = -664
-664 ÷ 737 = -0.9009497964721845
-0.9009497964721845 x 100 = -90.09%