204.27% is the change from 211 to 642
Calculation steps:
[( 642 - 211 ) ÷ 211] x 100 = 204.27%
Formula
Percentage change = [(642 - 211) / 211] x 100
Subtract the new number by the original number
642 - 211 = 431
431 ÷ 211 = 2.042654028436019
2.042654028436019 x 100 = 204.27%