-53.4% is the change from 530 to 247
Calculation steps:
[( 247 - 530 ) ÷ 530] x 100 = -53.4%
Formula
Percentage change = [(247 - 530) / 530] x 100
Subtract the new number by the original number
247 - 530 = -283
-283 ÷ 530 = -0.5339622641509434
-0.5339622641509434 x 100 = -53.4%