-92.16% is the change from 663 to 52
Calculation steps:
[( 52 - 663 ) ÷ 663] x 100 = -92.16%
Formula
Percentage change = [(52 - 663) / 663] x 100
Subtract the new number by the original number
52 - 663 = -611
-611 ÷ 663 = -0.9215686274509803
-0.9215686274509803 x 100 = -92.16%