2451.85% is the change from 27 to 689
Calculation steps:
[( 689 - 27 ) ÷ 27] x 100 = 2451.85%
Formula
Percentage change = [(689 - 27) / 27] x 100
Subtract the new number by the original number
689 - 27 = 662
662 ÷ 27 = 24.51851851851852
24.51851851851852 x 100 = 2451.85%