-7.94% is the change from 491 to 452
Calculation steps:
[( 452 - 491 ) ÷ 491] x 100 = -7.94%
Formula
Percentage change = [(452 - 491) / 491] x 100
Subtract the new number by the original number
452 - 491 = -39
-39 ÷ 491 = -0.07942973523421588
-0.07942973523421588 x 100 = -7.94%