-76.94% is the change from 720 to 166
Calculation steps:
[( 166 - 720 ) ÷ 720] x 100 = -76.94%
Formula
Percentage change = [(166 - 720) / 720] x 100
Subtract the new number by the original number
166 - 720 = -554
-554 ÷ 720 = -0.7694444444444445
-0.7694444444444445 x 100 = -76.94%