-90.07% is the change from 735 to 73
Calculation steps:
[( 73 - 735 ) ÷ 735] x 100 = -90.07%
Formula
Percentage change = [(73 - 735) / 735] x 100
Subtract the new number by the original number
73 - 735 = -662
-662 ÷ 735 = -0.9006802721088435
-0.9006802721088435 x 100 = -90.07%