-20.84% is the change from 787 to 623
Calculation steps:
[( 623 - 787 ) ÷ 787] x 100 = -20.84%
Formula
Percentage change = [(623 - 787) / 787] x 100
Subtract the new number by the original number
623 - 787 = -164
-164 ÷ 787 = -0.20838627700127066
-0.20838627700127066 x 100 = -20.84%