39.94% is the change from 621 to 869
Calculation steps:
[( 869 - 621 ) ÷ 621] x 100 = 39.94%
Formula
Percentage change = [(869 - 621) / 621] x 100
Subtract the new number by the original number
869 - 621 = 248
248 ÷ 621 = 0.3993558776167472
0.3993558776167472 x 100 = 39.94%