-35.36% is the change from 181 to 117
Calculation steps:
[( 117 - 181 ) ÷ 181] x 100 = -35.36%
Formula
Percentage change = [(117 - 181) / 181] x 100
Subtract the new number by the original number
117 - 181 = -64
-64 ÷ 181 = -0.35359116022099446
-0.35359116022099446 x 100 = -35.36%