35.75% is the change from 621 to 843
Calculation steps:
[( 843 - 621 ) ÷ 621] x 100 = 35.75%
Formula
Percentage change = [(843 - 621) / 621] x 100
Subtract the new number by the original number
843 - 621 = 222
222 ÷ 621 = 0.357487922705314
0.357487922705314 x 100 = 35.75%