-54.55% is the change from 605 to 275
Calculation steps:
[( 275 - 605 ) ÷ 605] x 100 = -54.55%
Formula
Percentage change = [(275 - 605) / 605] x 100
Subtract the new number by the original number
275 - 605 = -330
-330 ÷ 605 = -0.5454545454545454
-0.5454545454545454 x 100 = -54.55%