-21.11% is the change from 777 to 613
Calculation steps:
[( 613 - 777 ) ÷ 777] x 100 = -21.11%
Formula
Percentage change = [(613 - 777) / 777] x 100
Subtract the new number by the original number
613 - 777 = -164
-164 ÷ 777 = -0.21106821106821108
-0.21106821106821108 x 100 = -21.11%