-39.19% is the change from 347 to 211
Calculation steps:
[( 211 - 347 ) ÷ 347] x 100 = -39.19%
Formula
Percentage change = [(211 - 347) / 347] x 100
Subtract the new number by the original number
211 - 347 = -136
-136 ÷ 347 = -0.3919308357348703
-0.3919308357348703 x 100 = -39.19%