77.01% is the change from 187 to 331
Calculation steps:
[( 331 - 187 ) ÷ 187] x 100 = 77.01%
Formula
Percentage change = [(331 - 187) / 187] x 100
Subtract the new number by the original number
331 - 187 = 144
144 ÷ 187 = 0.7700534759358288
0.7700534759358288 x 100 = 77.01%