114.73% is the change from 455 to 977
Calculation steps:
[( 977 - 455 ) ÷ 455] x 100 = 114.73%
Formula
Percentage change = [(977 - 455) / 455] x 100
Subtract the new number by the original number
977 - 455 = 522
522 ÷ 455 = 1.1472527472527472
1.1472527472527472 x 100 = 114.73%