-18.52% is the change from 610 to 497
Calculation steps:
[( 497 - 610 ) ÷ 610] x 100 = -18.52%
Formula
Percentage change = [(497 - 610) / 610] x 100
Subtract the new number by the original number
497 - 610 = -113
-113 ÷ 610 = -0.18524590163934426
-0.18524590163934426 x 100 = -18.52%