-74.96% is the change from 579 to 145
Calculation steps:
[( 145 - 579 ) ÷ 579] x 100 = -74.96%
Formula
Percentage change = [(145 - 579) / 579] x 100
Subtract the new number by the original number
145 - 579 = -434
-434 ÷ 579 = -0.7495682210708118
-0.7495682210708118 x 100 = -74.96%