50.97% is the change from 620 to 936
Calculation steps:
[( 936 - 620 ) ÷ 620] x 100 = 50.97%
Formula
Percentage change = [(936 - 620) / 620] x 100
Subtract the new number by the original number
936 - 620 = 316
316 ÷ 620 = 0.5096774193548387
0.5096774193548387 x 100 = 50.97%