154.55% is the change from 308 to 784
Calculation steps:
[( 784 - 308 ) ÷ 308] x 100 = 154.55%
Formula
Percentage change = [(784 - 308) / 308] x 100
Subtract the new number by the original number
784 - 308 = 476
476 ÷ 308 = 1.5454545454545454
1.5454545454545454 x 100 = 154.55%