-92.86% is the change from 644 to 46
Calculation steps:
[( 46 - 644 ) ÷ 644] x 100 = -92.86%
Formula
Percentage change = [(46 - 644) / 644] x 100
Subtract the new number by the original number
46 - 644 = -598
-598 ÷ 644 = -0.9285714285714286
-0.9285714285714286 x 100 = -92.86%