257.21% is the change from 208 to 743
Calculation steps:
[( 743 - 208 ) ÷ 208] x 100 = 257.21%
Formula
Percentage change = [(743 - 208) / 208] x 100
Subtract the new number by the original number
743 - 208 = 535
535 ÷ 208 = 2.5721153846153846
2.5721153846153846 x 100 = 257.21%