662.35% is the change from 85 to 648
Calculation steps:
[( 648 - 85 ) ÷ 85] x 100 = 662.35%
Formula
Percentage change = [(648 - 85) / 85] x 100
Subtract the new number by the original number
648 - 85 = 563
563 ÷ 85 = 6.623529411764705
6.623529411764705 x 100 = 662.35%