-85.8% is the change from 648 to 92
Calculation steps:
[( 92 - 648 ) ÷ 648] x 100 = -85.8%
Formula
Percentage change = [(92 - 648) / 648] x 100
Subtract the new number by the original number
92 - 648 = -556
-556 ÷ 648 = -0.8580246913580247
-0.8580246913580247 x 100 = -85.8%