-19.77% is the change from 617 to 495
Calculation steps:
[( 495 - 617 ) ÷ 617] x 100 = -19.77%
Formula
Percentage change = [(495 - 617) / 617] x 100
Subtract the new number by the original number
495 - 617 = -122
-122 ÷ 617 = -0.19773095623987033
-0.19773095623987033 x 100 = -19.77%