50.72% is the change from 621 to 936
Calculation steps:
[( 936 - 621 ) ÷ 621] x 100 = 50.72%
Formula
Percentage change = [(936 - 621) / 621] x 100
Subtract the new number by the original number
936 - 621 = 315
315 ÷ 621 = 0.5072463768115942
0.5072463768115942 x 100 = 50.72%