274% is the change from 50 to 187
Calculation steps:
[( 187 - 50 ) ÷ 50] x 100 = 274%
Formula
Percentage change = [(187 - 50) / 50] x 100
Subtract the new number by the original number
187 - 50 = 137
137 ÷ 50 = 2.74
2.74 x 100 = 274%
Example