155.56% is the change from 306 to 782
Calculation steps:
[( 782 - 306 ) ÷ 306] x 100 = 155.56%
Formula
Percentage change = [(782 - 306) / 306] x 100
Subtract the new number by the original number
782 - 306 = 476
476 ÷ 306 = 1.5555555555555556
1.5555555555555556 x 100 = 155.56%