1837.5% is the change from 40 to 775
Calculation steps:
[( 775 - 40 ) ÷ 40] x 100 = 1837.5%
Formula
Percentage change = [(775 - 40) / 40] x 100
Subtract the new number by the original number
775 - 40 = 735
735 ÷ 40 = 18.375
18.375 x 100 = 1837.5%
Example