-17.95% is the change from 947 to 777
Calculation steps:
[( 777 - 947 ) ÷ 947] x 100 = -17.95%
Formula
Percentage change = [(777 - 947) / 947] x 100
Subtract the new number by the original number
777 - 947 = -170
-170 ÷ 947 = -0.1795142555438226
-0.1795142555438226 x 100 = -17.95%