119.78% is the change from 455 to 1000
Calculation steps:
[( 1000 - 455 ) ÷ 455] x 100 = 119.78%
Formula
Percentage change = [(1000 - 455) / 455] x 100
Subtract the new number by the original number
1000 - 455 = 545
545 ÷ 455 = 1.1978021978021978
1.1978021978021978 x 100 = 119.78%