-20.06% is the change from 972 to 777
Calculation steps:
[( 777 - 972 ) ÷ 972] x 100 = -20.06%
Formula
Percentage change = [(777 - 972) / 972] x 100
Subtract the new number by the original number
777 - 972 = -195
-195 ÷ 972 = -0.2006172839506173
-0.2006172839506173 x 100 = -20.06%