-20.53% is the change from 906 to 720
Calculation steps:
[( 720 - 906 ) ÷ 906] x 100 = -20.53%
Formula
Percentage change = [(720 - 906) / 906] x 100
Subtract the new number by the original number
720 - 906 = -186
-186 ÷ 906 = -0.2052980132450331
-0.2052980132450331 x 100 = -20.53%