-71.96% is the change from 107 to 30
Calculation steps:
[( 30 - 107 ) ÷ 107] x 100 = -71.96%
Formula
Percentage change = [(30 - 107) / 107] x 100
Subtract the new number by the original number
30 - 107 = -77
-77 ÷ 107 = -0.719626168224299
-0.719626168224299 x 100 = -71.96%