44.93% is the change from 621 to 900
Calculation steps:
[( 900 - 621 ) ÷ 621] x 100 = 44.93%
Formula
Percentage change = [(900 - 621) / 621] x 100
Subtract the new number by the original number
900 - 621 = 279
279 ÷ 621 = 0.4492753623188406
0.4492753623188406 x 100 = 44.93%