60.32% is the change from 620 to 994
Calculation steps:
[( 994 - 620 ) ÷ 620] x 100 = 60.32%
Formula
Percentage change = [(994 - 620) / 620] x 100
Subtract the new number by the original number
994 - 620 = 374
374 ÷ 620 = 0.603225806451613
0.603225806451613 x 100 = 60.32%