-70.77% is the change from 609 to 178
Calculation steps:
[( 178 - 609 ) ÷ 609] x 100 = -70.77%
Formula
Percentage change = [(178 - 609) / 609] x 100
Subtract the new number by the original number
178 - 609 = -431
-431 ÷ 609 = -0.7077175697865353
-0.7077175697865353 x 100 = -70.77%