69.54% is the change from 453 to 768
Calculation steps:
[( 768 - 453 ) ÷ 453] x 100 = 69.54%
Formula
Percentage change = [(768 - 453) / 453] x 100
Subtract the new number by the original number
768 - 453 = 315
315 ÷ 453 = 0.695364238410596
0.695364238410596 x 100 = 69.54%