95.5% is the change from 200 to 391
Calculation steps:
[( 391 - 200 ) ÷ 200] x 100 = 95.5%
Formula
Percentage change = [(391 - 200) / 200] x 100
Subtract the new number by the original number
391 - 200 = 191
191 ÷ 200 = 0.955
0.955 x 100 = 95.5%
Example