-68.69% is the change from 610 to 191
Calculation steps:
[( 191 - 610 ) ÷ 610] x 100 = -68.69%
Formula
Percentage change = [(191 - 610) / 610] x 100
Subtract the new number by the original number
191 - 610 = -419
-419 ÷ 610 = -0.6868852459016394
-0.6868852459016394 x 100 = -68.69%