64.13% is the change from 276 to 453
Calculation steps:
[( 453 - 276 ) ÷ 276] x 100 = 64.13%
Formula
Percentage change = [(453 - 276) / 276] x 100
Subtract the new number by the original number
453 - 276 = 177
177 ÷ 276 = 0.6413043478260869
0.6413043478260869 x 100 = 64.13%