-97.74% is the change from 530 to 12
Calculation steps:
[( 12 - 530 ) ÷ 530] x 100 = -97.74%
Formula
Percentage change = [(12 - 530) / 530] x 100
Subtract the new number by the original number
12 - 530 = -518
-518 ÷ 530 = -0.9773584905660377
-0.9773584905660377 x 100 = -97.74%