31.75% is the change from 211 to 278
Calculation steps:
[( 278 - 211 ) ÷ 211] x 100 = 31.75%
Formula
Percentage change = [(278 - 211) / 211] x 100
Subtract the new number by the original number
278 - 211 = 67
67 ÷ 211 = 0.3175355450236967
0.3175355450236967 x 100 = 31.75%