-90% is the change from 740 to 74
Calculation steps:
[( 74 - 740 ) ÷ 740] x 100 = -90%
Formula
Percentage change = [(74 - 740) / 740] x 100
Subtract the new number by the original number
74 - 740 = -666
-666 ÷ 740 = -0.9
-0.9 x 100 = -90%
Example