80% is the change from 360 to 648
Calculation steps:
[( 648 - 360 ) ÷ 360] x 100 = 80%
Formula
Percentage change = [(648 - 360) / 360] x 100
Subtract the new number by the original number
648 - 360 = 288
288 ÷ 360 = 0.8
0.8 x 100 = 80%
Example