2437.04% is the change from 27 to 685
Calculation steps:
[( 685 - 27 ) ÷ 27] x 100 = 2437.04%
Formula
Percentage change = [(685 - 27) / 27] x 100
Subtract the new number by the original number
685 - 27 = 658
658 ÷ 27 = 24.37037037037037
24.37037037037037 x 100 = 2437.04%