-67.7% is the change from 610 to 197
Calculation steps:
[( 197 - 610 ) ÷ 610] x 100 = -67.7%
Formula
Percentage change = [(197 - 610) / 610] x 100
Subtract the new number by the original number
197 - 610 = -413
-413 ÷ 610 = -0.6770491803278689
-0.6770491803278689 x 100 = -67.7%