-35.47% is the change from 530 to 342
Calculation steps:
[( 342 - 530 ) ÷ 530] x 100 = -35.47%
Formula
Percentage change = [(342 - 530) / 530] x 100
Subtract the new number by the original number
342 - 530 = -188
-188 ÷ 530 = -0.35471698113207545
-0.35471698113207545 x 100 = -35.47%