-8.93% is the change from 56 to 51
Calculation steps:
[( 51 - 56 ) ÷ 56] x 100 = -8.93%
Formula
Percentage change = [(51 - 56) / 56] x 100
Subtract the new number by the original number
51 - 56 = -5
-5 ÷ 56 = -0.08928571428571429
-0.08928571428571429 x 100 = -8.93%