-90.2% is the change from 745 to 73
Calculation steps:
[( 73 - 745 ) ÷ 745] x 100 = -90.2%
Formula
Percentage change = [(73 - 745) / 745] x 100
Subtract the new number by the original number
73 - 745 = -672
-672 ÷ 745 = -0.9020134228187919
-0.9020134228187919 x 100 = -90.2%