-80% is the change from 725 to 145
Calculation steps:
[( 145 - 725 ) ÷ 725] x 100 = -80%
Formula
Percentage change = [(145 - 725) / 725] x 100
Subtract the new number by the original number
145 - 725 = -580
-580 ÷ 725 = -0.8
-0.8 x 100 = -80%
Example