45.97% is the change from 620 to 905
Calculation steps:
[( 905 - 620 ) ÷ 620] x 100 = 45.97%
Formula
Percentage change = [(905 - 620) / 620] x 100
Subtract the new number by the original number
905 - 620 = 285
285 ÷ 620 = 0.4596774193548387
0.4596774193548387 x 100 = 45.97%