55.57% is the change from 628 to 977
Calculation steps:
[( 977 - 628 ) ÷ 628] x 100 = 55.57%
Formula
Percentage change = [(977 - 628) / 628] x 100
Subtract the new number by the original number
977 - 628 = 349
349 ÷ 628 = 0.5557324840764332
0.5557324840764332 x 100 = 55.57%