-54.52% is the change from 609 to 277
Calculation steps:
[( 277 - 609 ) ÷ 609] x 100 = -54.52%
Formula
Percentage change = [(277 - 609) / 609] x 100
Subtract the new number by the original number
277 - 609 = -332
-332 ÷ 609 = -0.5451559934318555
-0.5451559934318555 x 100 = -54.52%