-45.31% is the change from 490 to 268
Calculation steps:
[( 268 - 490 ) ÷ 490] x 100 = -45.31%
Formula
Percentage change = [(268 - 490) / 490] x 100
Subtract the new number by the original number
268 - 490 = -222
-222 ÷ 490 = -0.4530612244897959
-0.4530612244897959 x 100 = -45.31%