-10.66% is the change from 610 to 545
Calculation steps:
[( 545 - 610 ) ÷ 610] x 100 = -10.66%
Formula
Percentage change = [(545 - 610) / 610] x 100
Subtract the new number by the original number
545 - 610 = -65
-65 ÷ 610 = -0.10655737704918032
-0.10655737704918032 x 100 = -10.66%