-20.88% is the change from 613 to 485
Calculation steps:
[( 485 - 613 ) ÷ 613] x 100 = -20.88%
Formula
Percentage change = [(485 - 613) / 613] x 100
Subtract the new number by the original number
485 - 613 = -128
-128 ÷ 613 = -0.20880913539967375
-0.20880913539967375 x 100 = -20.88%