-95.57% is the change from 609 to 27
Calculation steps:
[( 27 - 609 ) ÷ 609] x 100 = -95.57%
Formula
Percentage change = [(27 - 609) / 609] x 100
Subtract the new number by the original number
27 - 609 = -582
-582 ÷ 609 = -0.9556650246305419
-0.9556650246305419 x 100 = -95.57%