-32.16% is the change from 171 to 116
Calculation steps:
[( 116 - 171 ) ÷ 171] x 100 = -32.16%
Formula
Percentage change = [(116 - 171) / 171] x 100
Subtract the new number by the original number
116 - 171 = -55
-55 ÷ 171 = -0.3216374269005848
-0.3216374269005848 x 100 = -32.16%