34.22% is the change from 187 to 251
Calculation steps:
[( 251 - 187 ) ÷ 187] x 100 = 34.22%
Formula
Percentage change = [(251 - 187) / 187] x 100
Subtract the new number by the original number
251 - 187 = 64
64 ÷ 187 = 0.3422459893048128
0.3422459893048128 x 100 = 34.22%