76.92% is the change from 455 to 805
Calculation steps:
[( 805 - 455 ) ÷ 455] x 100 = 76.92%
Formula
Percentage change = [(805 - 455) / 455] x 100
Subtract the new number by the original number
805 - 455 = 350
350 ÷ 455 = 0.7692307692307693
0.7692307692307693 x 100 = 76.92%