-40.49% is the change from 810 to 482
Calculation steps:
[( 482 - 810 ) ÷ 810] x 100 = -40.49%
Formula
Percentage change = [(482 - 810) / 810] x 100
Subtract the new number by the original number
482 - 810 = -328
-328 ÷ 810 = -0.4049382716049383
-0.4049382716049383 x 100 = -40.49%