-2.08% is the change from 480 to 470
Calculation steps:
[( 470 - 480 ) ÷ 480] x 100 = -2.08%
Formula
Percentage change = [(470 - 480) / 480] x 100
Subtract the new number by the original number
470 - 480 = -10
-10 ÷ 480 = -0.020833333333333332
-0.020833333333333332 x 100 = -2.08%