-36.04% is the change from 530 to 339
Calculation steps:
[( 339 - 530 ) ÷ 530] x 100 = -36.04%
Formula
Percentage change = [(339 - 530) / 530] x 100
Subtract the new number by the original number
339 - 530 = -191
-191 ÷ 530 = -0.360377358490566
-0.360377358490566 x 100 = -36.04%