-71.5% is the change from 579 to 165
Calculation steps:
[( 165 - 579 ) ÷ 579] x 100 = -71.5%
Formula
Percentage change = [(165 - 579) / 579] x 100
Subtract the new number by the original number
165 - 579 = -414
-414 ÷ 579 = -0.7150259067357513
-0.7150259067357513 x 100 = -71.5%