-78.5% is the change from 772 to 166
Calculation steps:
[( 166 - 772 ) ÷ 772] x 100 = -78.5%
Formula
Percentage change = [(166 - 772) / 772] x 100
Subtract the new number by the original number
166 - 772 = -606
-606 ÷ 772 = -0.7849740932642487
-0.7849740932642487 x 100 = -78.5%