209.91% is the change from 212 to 657
Calculation steps:
[( 657 - 212 ) ÷ 212] x 100 = 209.91%
Formula
Percentage change = [(657 - 212) / 212] x 100
Subtract the new number by the original number
657 - 212 = 445
445 ÷ 212 = 2.099056603773585
2.099056603773585 x 100 = 209.91%