178.78% is the change from 278 to 775
Calculation steps:
[( 775 - 278 ) ÷ 278] x 100 = 178.78%
Formula
Percentage change = [(775 - 278) / 278] x 100
Subtract the new number by the original number
775 - 278 = 497
497 ÷ 278 = 1.7877697841726619
1.7877697841726619 x 100 = 178.78%