-34.82% is the change from 939 to 612
Calculation steps:
[( 612 - 939 ) ÷ 939] x 100 = -34.82%
Formula
Percentage change = [(612 - 939) / 939] x 100
Subtract the new number by the original number
612 - 939 = -327
-327 ÷ 939 = -0.34824281150159747
-0.34824281150159747 x 100 = -34.82%