-46.43% is the change from 56 to 30
Calculation steps:
[( 30 - 56 ) ÷ 56] x 100 = -46.43%
Formula
Percentage change = [(30 - 56) / 56] x 100
Subtract the new number by the original number
30 - 56 = -26
-26 ÷ 56 = -0.4642857142857143
-0.4642857142857143 x 100 = -46.43%