18.77% is the change from 277 to 329
Calculation steps:
[( 329 - 277 ) ÷ 277] x 100 = 18.77%
Formula
Percentage change = [(329 - 277) / 277] x 100
Subtract the new number by the original number
329 - 277 = 52
52 ÷ 277 = 0.18772563176895307
0.18772563176895307 x 100 = 18.77%