-69.25% is the change from 530 to 163
Calculation steps:
[( 163 - 530 ) ÷ 530] x 100 = -69.25%
Formula
Percentage change = [(163 - 530) / 530] x 100
Subtract the new number by the original number
163 - 530 = -367
-367 ÷ 530 = -0.6924528301886792
-0.6924528301886792 x 100 = -69.25%