53.11% is the change from 450 to 689
Calculation steps:
[( 689 - 450 ) ÷ 450] x 100 = 53.11%
Formula
Percentage change = [(689 - 450) / 450] x 100
Subtract the new number by the original number
689 - 450 = 239
239 ÷ 450 = 0.5311111111111111
0.5311111111111111 x 100 = 53.11%