-14.95% is the change from 107 to 91
Calculation steps:
[( 91 - 107 ) ÷ 107] x 100 = -14.95%
Formula
Percentage change = [(91 - 107) / 107] x 100
Subtract the new number by the original number
91 - 107 = -16
-16 ÷ 107 = -0.14953271028037382
-0.14953271028037382 x 100 = -14.95%