-38.32% is the change from 107 to 66
Calculation steps:
[( 66 - 107 ) ÷ 107] x 100 = -38.32%
Formula
Percentage change = [(66 - 107) / 107] x 100
Subtract the new number by the original number
66 - 107 = -41
-41 ÷ 107 = -0.38317757009345793
-0.38317757009345793 x 100 = -38.32%