60.55% is the change from 621 to 997
Calculation steps:
[( 997 - 621 ) ÷ 621] x 100 = 60.55%
Formula
Percentage change = [(997 - 621) / 621] x 100
Subtract the new number by the original number
997 - 621 = 376
376 ÷ 621 = 0.605475040257649
0.605475040257649 x 100 = 60.55%