-12.86% is the change from 490 to 427
Calculation steps:
[( 427 - 490 ) ÷ 490] x 100 = -12.86%
Formula
Percentage change = [(427 - 490) / 490] x 100
Subtract the new number by the original number
427 - 490 = -63
-63 ÷ 490 = -0.12857142857142856
-0.12857142857142856 x 100 = -12.86%