56.57% is the change from 624 to 977
Calculation steps:
[( 977 - 624 ) ÷ 624] x 100 = 56.57%
Formula
Percentage change = [(977 - 624) / 624] x 100
Subtract the new number by the original number
977 - 624 = 353
353 ÷ 624 = 0.5657051282051282
0.5657051282051282 x 100 = 56.57%