210.14% is the change from 207 to 642
Calculation steps:
[( 642 - 207 ) ÷ 207] x 100 = 210.14%
Formula
Percentage change = [(642 - 207) / 207] x 100
Subtract the new number by the original number
642 - 207 = 435
435 ÷ 207 = 2.101449275362319
2.101449275362319 x 100 = 210.14%