69.11% is the change from 450 to 761
Calculation steps:
[( 761 - 450 ) ÷ 450] x 100 = 69.11%
Formula
Percentage change = [(761 - 450) / 450] x 100
Subtract the new number by the original number
761 - 450 = 311
311 ÷ 450 = 0.6911111111111111
0.6911111111111111 x 100 = 69.11%