-22.01% is the change from 777 to 606
Calculation steps:
[( 606 - 777 ) ÷ 777] x 100 = -22.01%
Formula
Percentage change = [(606 - 777) / 777] x 100
Subtract the new number by the original number
606 - 777 = -171
-171 ÷ 777 = -0.22007722007722008
-0.22007722007722008 x 100 = -22.01%