-92.55% is the change from 644 to 48
Calculation steps:
[( 48 - 644 ) ÷ 644] x 100 = -92.55%
Formula
Percentage change = [(48 - 644) / 644] x 100
Subtract the new number by the original number
48 - 644 = -596
-596 ÷ 644 = -0.9254658385093167
-0.9254658385093167 x 100 = -92.55%