-85.71% is the change from 644 to 92
Calculation steps:
[( 92 - 644 ) ÷ 644] x 100 = -85.71%
Formula
Percentage change = [(92 - 644) / 644] x 100
Subtract the new number by the original number
92 - 644 = -552
-552 ÷ 644 = -0.8571428571428571
-0.8571428571428571 x 100 = -85.71%