-68.16% is the change from 490 to 156
Calculation steps:
[( 156 - 490 ) ÷ 490] x 100 = -68.16%
Formula
Percentage change = [(156 - 490) / 490] x 100
Subtract the new number by the original number
156 - 490 = -334
-334 ÷ 490 = -0.6816326530612244
-0.6816326530612244 x 100 = -68.16%