1.43% is the change from 977 to 991
Calculation steps:
[( 991 - 977 ) ÷ 977] x 100 = 1.43%
Formula
Percentage change = [(991 - 977) / 977] x 100
Subtract the new number by the original number
991 - 977 = 14
14 ÷ 977 = 0.014329580348004094
0.014329580348004094 x 100 = 1.43%