-98.09% is the change from 523 to 10
Calculation steps:
[( 10 - 523 ) ÷ 523] x 100 = -98.09%
Formula
Percentage change = [(10 - 523) / 523] x 100
Subtract the new number by the original number
10 - 523 = -513
-513 ÷ 523 = -0.9808795411089866
-0.9808795411089866 x 100 = -98.09%