60.81% is the change from 620 to 997
Calculation steps:
[( 997 - 620 ) ÷ 620] x 100 = 60.81%
Formula
Percentage change = [(997 - 620) / 620] x 100
Subtract the new number by the original number
997 - 620 = 377
377 ÷ 620 = 0.6080645161290322
0.6080645161290322 x 100 = 60.81%