667.74% is the change from 31 to 238
Calculation steps:
[( 238 - 31 ) ÷ 31] x 100 = 667.74%
Formula
Percentage change = [(238 - 31) / 31] x 100
Subtract the new number by the original number
238 - 31 = 207
207 ÷ 31 = 6.67741935483871
6.67741935483871 x 100 = 667.74%