68% is the change from 200 to 336
Calculation steps:
[( 336 - 200 ) ÷ 200] x 100 = 68%
Formula
Percentage change = [(336 - 200) / 200] x 100
Subtract the new number by the original number
336 - 200 = 136
136 ÷ 200 = 0.68
0.68 x 100 = 68%
Example