-94.43% is the change from 646 to 36
Calculation steps:
[( 36 - 646 ) ÷ 646] x 100 = -94.43%
Formula
Percentage change = [(36 - 646) / 646] x 100
Subtract the new number by the original number
36 - 646 = -610
-610 ÷ 646 = -0.9442724458204335
-0.9442724458204335 x 100 = -94.43%