19.87% is the change from 156 to 187
Calculation steps:
[( 187 - 156 ) ÷ 156] x 100 = 19.87%
Formula
Percentage change = [(187 - 156) / 156] x 100
Subtract the new number by the original number
187 - 156 = 31
31 ÷ 156 = 0.1987179487179487
0.1987179487179487 x 100 = 19.87%