-20.49% is the change from 610 to 485
Calculation steps:
[( 485 - 610 ) ÷ 610] x 100 = -20.49%
Formula
Percentage change = [(485 - 610) / 610] x 100
Subtract the new number by the original number
485 - 610 = -125
-125 ÷ 610 = -0.20491803278688525
-0.20491803278688525 x 100 = -20.49%