54.35% is the change from 620 to 957
Calculation steps:
[( 957 - 620 ) ÷ 620] x 100 = 54.35%
Formula
Percentage change = [(957 - 620) / 620] x 100
Subtract the new number by the original number
957 - 620 = 337
337 ÷ 620 = 0.5435483870967742
0.5435483870967742 x 100 = 54.35%