19.08% is the change from 456 to 543
Calculation steps:
[( 543 - 456 ) ÷ 456] x 100 = 19.08%
Formula
Percentage change = [(543 - 456) / 456] x 100
Subtract the new number by the original number
543 - 456 = 87
87 ÷ 456 = 0.19078947368421054
0.19078947368421054 x 100 = 19.08%