-19.56% is the change from 772 to 621
Calculation steps:
[( 621 - 772 ) ÷ 772] x 100 = -19.56%
Formula
Percentage change = [(621 - 772) / 772] x 100
Subtract the new number by the original number
621 - 772 = -151
-151 ÷ 772 = -0.1955958549222798
-0.1955958549222798 x 100 = -19.56%