211.11% is the change from 207 to 644
Calculation steps:
[( 644 - 207 ) ÷ 207] x 100 = 211.11%
Formula
Percentage change = [(644 - 207) / 207] x 100
Subtract the new number by the original number
644 - 207 = 437
437 ÷ 207 = 2.111111111111111
2.111111111111111 x 100 = 211.11%