-77.72% is the change from 745 to 166
Calculation steps:
[( 166 - 745 ) ÷ 745] x 100 = -77.72%
Formula
Percentage change = [(166 - 745) / 745] x 100
Subtract the new number by the original number
166 - 745 = -579
-579 ÷ 745 = -0.7771812080536913
-0.7771812080536913 x 100 = -77.72%