What is the percentage increase?

Question

A charity worker receives a wage increase from £185 per week to £200 per week. What is the percentage increas? 

Answer 1

200 = x% of 185

 

200 = (x/100)(185)

x = (200)(100)/185 = 108.1%

 

The percent increase is 8.1%

Answer 2

express the ratio of change to original, and convert to %.