-41.41% is the change from 821 to 481
Calculation steps:
[( 481 - 821 ) ÷ 821] x 100 = -41.41%
Formula
Percentage change = [(481 - 821) / 821] x 100
Subtract the new number by the original number
481 - 821 = -340
-340 ÷ 821 = -0.41412911084043846
-0.41412911084043846 x 100 = -41.41%