-91.37% is the change from 649 to 56
Calculation steps:
[( 56 - 649 ) ÷ 649] x 100 = -91.37%
Formula
Percentage change = [(56 - 649) / 649] x 100
Subtract the new number by the original number
56 - 649 = -593
-593 ÷ 649 = -0.9137134052388289
-0.9137134052388289 x 100 = -91.37%