90% is the change from 360 to 684
Calculation steps:
[( 684 - 360 ) ÷ 360] x 100 = 90%
Formula
Percentage change = [(684 - 360) / 360] x 100
Subtract the new number by the original number
684 - 360 = 324
324 ÷ 360 = 0.9
0.9 x 100 = 90%
Example