-5.39% is the change from 612 to 579
Calculation steps:
[( 579 - 612 ) ÷ 612] x 100 = -5.39%
Formula
Percentage change = [(579 - 612) / 612] x 100
Subtract the new number by the original number
579 - 612 = -33
-33 ÷ 612 = -0.05392156862745098
-0.05392156862745098 x 100 = -5.39%