-89.18% is the change from 490 to 53
Calculation steps:
[( 53 - 490 ) ÷ 490] x 100 = -89.18%
Formula
Percentage change = [(53 - 490) / 490] x 100
Subtract the new number by the original number
53 - 490 = -437
-437 ÷ 490 = -0.8918367346938776
-0.8918367346938776 x 100 = -89.18%