-21.65% is the change from 790 to 619
Calculation steps:
[( 619 - 790 ) ÷ 790] x 100 = -21.65%
Formula
Percentage change = [(619 - 790) / 790] x 100
Subtract the new number by the original number
619 - 790 = -171
-171 ÷ 790 = -0.21645569620253163
-0.21645569620253163 x 100 = -21.65%