-44.61% is the change from 612 to 339
Calculation steps:
[( 339 - 612 ) ÷ 612] x 100 = -44.61%
Formula
Percentage change = [(339 - 612) / 612] x 100
Subtract the new number by the original number
339 - 612 = -273
-273 ÷ 612 = -0.44607843137254904
-0.44607843137254904 x 100 = -44.61%