145.78% is the change from 308 to 757
Calculation steps:
[( 757 - 308 ) ÷ 308] x 100 = 145.78%
Formula
Percentage change = [(757 - 308) / 308] x 100
Subtract the new number by the original number
757 - 308 = 449
449 ÷ 308 = 1.4577922077922079
1.4577922077922079 x 100 = 145.78%