-76.19% is the change from 42 to 10
Calculation steps:
[( 10 - 42 ) ÷ 42] x 100 = -76.19%
Formula
Percentage change = [(10 - 42) / 42] x 100
Subtract the new number by the original number
10 - 42 = -32
-32 ÷ 42 = -0.7619047619047619
-0.7619047619047619 x 100 = -76.19%