61.43% is the change from 280 to 452
Calculation steps:
[( 452 - 280 ) ÷ 280] x 100 = 61.43%
Formula
Percentage change = [(452 - 280) / 280] x 100
Subtract the new number by the original number
452 - 280 = 172
172 ÷ 280 = 0.6142857142857143
0.6142857142857143 x 100 = 61.43%