-74.87% is the change from 577 to 145
Calculation steps:
[( 145 - 577 ) ÷ 577] x 100 = -74.87%
Formula
Percentage change = [(145 - 577) / 577] x 100
Subtract the new number by the original number
145 - 577 = -432
-432 ÷ 577 = -0.7487001733102253
-0.7487001733102253 x 100 = -74.87%