69.67% is the change from 455 to 772
Calculation steps:
[( 772 - 455 ) ÷ 455] x 100 = 69.67%
Formula
Percentage change = [(772 - 455) / 455] x 100
Subtract the new number by the original number
772 - 455 = 317
317 ÷ 455 = 0.6967032967032967
0.6967032967032967 x 100 = 69.67%