-79.86% is the change from 720 to 145
Calculation steps:
[( 145 - 720 ) ÷ 720] x 100 = -79.86%
Formula
Percentage change = [(145 - 720) / 720] x 100
Subtract the new number by the original number
145 - 720 = -575
-575 ÷ 720 = -0.7986111111111112
-0.7986111111111112 x 100 = -79.86%