69.03% is the change from 268 to 453
Calculation steps:
[( 453 - 268 ) ÷ 268] x 100 = 69.03%
Formula
Percentage change = [(453 - 268) / 268] x 100
Subtract the new number by the original number
453 - 268 = 185
185 ÷ 268 = 0.6902985074626866
0.6902985074626866 x 100 = 69.03%