257.89% is the change from 209 to 748
Calculation steps:
[( 748 - 209 ) ÷ 209] x 100 = 257.89%
Formula
Percentage change = [(748 - 209) / 209] x 100
Subtract the new number by the original number
748 - 209 = 539
539 ÷ 209 = 2.5789473684210527
2.5789473684210527 x 100 = 257.89%