2.84% is the change from 950 to 977
Calculation steps:
[( 977 - 950 ) ÷ 950] x 100 = 2.84%
Formula
Percentage change = [(977 - 950) / 950] x 100
Subtract the new number by the original number
977 - 950 = 27
27 ÷ 950 = 0.028421052631578948
0.028421052631578948 x 100 = 2.84%