775% is the change from 76 to 665
Calculation steps:
[( 665 - 76 ) ÷ 76] x 100 = 775%
Formula
Percentage change = [(665 - 76) / 76] x 100
Subtract the new number by the original number
665 - 76 = 589
589 ÷ 76 = 7.75
7.75 x 100 = 775%
Example