1662.5% is the change from 40 to 705
Calculation steps:
[( 705 - 40 ) ÷ 40] x 100 = 1662.5%
Formula
Percentage change = [(705 - 40) / 40] x 100
Subtract the new number by the original number
705 - 40 = 665
665 ÷ 40 = 16.625
16.625 x 100 = 1662.5%
Example