258.84% is the change from 277 to 994
Calculation steps:
[( 994 - 277 ) ÷ 277] x 100 = 258.84%
Formula
Percentage change = [(994 - 277) / 277] x 100
Subtract the new number by the original number
994 - 277 = 717
717 ÷ 277 = 2.588447653429603
2.588447653429603 x 100 = 258.84%