-3.12% is the change from 481 to 466
Calculation steps:
[( 466 - 481 ) ÷ 481] x 100 = -3.12%
Formula
Percentage change = [(466 - 481) / 481] x 100
Subtract the new number by the original number
466 - 481 = -15
-15 ÷ 481 = -0.031185031185031187
-0.031185031185031187 x 100 = -3.12%