4850% is the change from 10 to 495
Calculation steps:
[( 495 - 10 ) ÷ 10] x 100 = 4850%
Formula
Percentage change = [(495 - 10) / 10] x 100
Subtract the new number by the original number
495 - 10 = 485
485 ÷ 10 = 48.5
48.5 x 100 = 4850%
Example