-2.29% is the change from 481 to 470
Calculation steps:
[( 470 - 481 ) ÷ 481] x 100 = -2.29%
Formula
Percentage change = [(470 - 481) / 481] x 100
Subtract the new number by the original number
470 - 481 = -11
-11 ÷ 481 = -0.02286902286902287
-0.02286902286902287 x 100 = -2.29%