-67.65% is the change from 609 to 197
Calculation steps:
[( 197 - 609 ) ÷ 609] x 100 = -67.65%
Formula
Percentage change = [(197 - 609) / 609] x 100
Subtract the new number by the original number
197 - 609 = -412
-412 ÷ 609 = -0.6765188834154351
-0.6765188834154351 x 100 = -67.65%