180% is the change from 355 to 994
Calculation steps:
[( 994 - 355 ) ÷ 355] x 100 = 180%
Formula
Percentage change = [(994 - 355) / 355] x 100
Subtract the new number by the original number
994 - 355 = 639
639 ÷ 355 = 1.8
1.8 x 100 = 180%
Example