1645% is the change from 40 to 698
Calculation steps:
[( 698 - 40 ) ÷ 40] x 100 = 1645%
Formula
Percentage change = [(698 - 40) / 40] x 100
Subtract the new number by the original number
698 - 40 = 658
658 ÷ 40 = 16.45
16.45 x 100 = 1645%
Example