-1.88% is the change from 479 to 470
Calculation steps:
[( 470 - 479 ) ÷ 479] x 100 = -1.88%
Formula
Percentage change = [(470 - 479) / 479] x 100
Subtract the new number by the original number
470 - 479 = -9
-9 ÷ 479 = -0.018789144050104383
-0.018789144050104383 x 100 = -1.88%