49.78% is the change from 452 to 677
Calculation steps:
[( 677 - 452 ) ÷ 452] x 100 = 49.78%
Formula
Percentage change = [(677 - 452) / 452] x 100
Subtract the new number by the original number
677 - 452 = 225
225 ÷ 452 = 0.497787610619469
0.497787610619469 x 100 = 49.78%