78.28% is the change from 548 to 977
Calculation steps:
[( 977 - 548 ) ÷ 548] x 100 = 78.28%
Formula
Percentage change = [(977 - 548) / 548] x 100
Subtract the new number by the original number
977 - 548 = 429
429 ÷ 548 = 0.7828467153284672
0.7828467153284672 x 100 = 78.28%