2.26% is the change from 177 to 181
Calculation steps:
[( 181 - 177 ) ÷ 177] x 100 = 2.26%
Formula
Percentage change = [(181 - 177) / 177] x 100
Subtract the new number by the original number
181 - 177 = 4
4 ÷ 177 = 0.022598870056497175
0.022598870056497175 x 100 = 2.26%