-69.62% is the change from 609 to 185
Calculation steps:
[( 185 - 609 ) ÷ 609] x 100 = -69.62%
Formula
Percentage change = [(185 - 609) / 609] x 100
Subtract the new number by the original number
185 - 609 = -424
-424 ÷ 609 = -0.6962233169129721
-0.6962233169129721 x 100 = -69.62%