33.51% is the change from 188 to 251
Calculation steps:
[( 251 - 188 ) ÷ 188] x 100 = 33.51%
Formula
Percentage change = [(251 - 188) / 188] x 100
Subtract the new number by the original number
251 - 188 = 63
63 ÷ 188 = 0.3351063829787234
0.3351063829787234 x 100 = 33.51%