68.72% is the change from 454 to 766
Calculation steps:
[( 766 - 454 ) ÷ 454] x 100 = 68.72%
Formula
Percentage change = [(766 - 454) / 454] x 100
Subtract the new number by the original number
766 - 454 = 312
312 ÷ 454 = 0.6872246696035242
0.6872246696035242 x 100 = 68.72%