-74.69% is the change from 490 to 124
Calculation steps:
[( 124 - 490 ) ÷ 490] x 100 = -74.69%
Formula
Percentage change = [(124 - 490) / 490] x 100
Subtract the new number by the original number
124 - 490 = -366
-366 ÷ 490 = -0.746938775510204
-0.746938775510204 x 100 = -74.69%