209.09% is the change from 308 to 952
Calculation steps:
[( 952 - 308 ) ÷ 308] x 100 = 209.09%
Formula
Percentage change = [(952 - 308) / 308] x 100
Subtract the new number by the original number
952 - 308 = 644
644 ÷ 308 = 2.090909090909091
2.090909090909091 x 100 = 209.09%