-98.11% is the change from 530 to 10
Calculation steps:
[( 10 - 530 ) ÷ 530] x 100 = -98.11%
Formula
Percentage change = [(10 - 530) / 530] x 100
Subtract the new number by the original number
10 - 530 = -520
-520 ÷ 530 = -0.9811320754716981
-0.9811320754716981 x 100 = -98.11%