200.94% is the change from 212 to 638
Calculation steps:
[( 638 - 212 ) ÷ 212] x 100 = 200.94%
Formula
Percentage change = [(638 - 212) / 212] x 100
Subtract the new number by the original number
638 - 212 = 426
426 ÷ 212 = 2.009433962264151
2.009433962264151 x 100 = 200.94%