-77.01% is the change from 609 to 140
Calculation steps:
[( 140 - 609 ) ÷ 609] x 100 = -77.01%
Formula
Percentage change = [(140 - 609) / 609] x 100
Subtract the new number by the original number
140 - 609 = -469
-469 ÷ 609 = -0.7701149425287356
-0.7701149425287356 x 100 = -77.01%