-29.99% is the change from 687 to 481
Calculation steps:
[( 481 - 687 ) ÷ 687] x 100 = -29.99%
Formula
Percentage change = [(481 - 687) / 687] x 100
Subtract the new number by the original number
481 - 687 = -206
-206 ÷ 687 = -0.29985443959243085
-0.29985443959243085 x 100 = -29.99%