54% is the change from 200 to 308
Calculation steps:
[( 308 - 200 ) ÷ 200] x 100 = 54%
Formula
Percentage change = [(308 - 200) / 200] x 100
Subtract the new number by the original number
308 - 200 = 108
108 ÷ 200 = 0.54
0.54 x 100 = 54%
Example