100% is the change from 370 to 740
Calculation steps:
[( 740 - 370 ) ÷ 370] x 100 = 100%
Formula
Percentage change = [(740 - 370) / 370] x 100
Subtract the new number by the original number
740 - 370 = 370
370 ÷ 370 = 1
1 x 100 = 100%
Example