258.45% is the change from 207 to 742
Calculation steps:
[( 742 - 207 ) ÷ 207] x 100 = 258.45%
Formula
Percentage change = [(742 - 207) / 207] x 100
Subtract the new number by the original number
742 - 207 = 535
535 ÷ 207 = 2.5845410628019323
2.5845410628019323 x 100 = 258.45%