-34.6% is the change from 263 to 172
Calculation steps:
[( 172 - 263 ) ÷ 263] x 100 = -34.6%
Formula
Percentage change = [(172 - 263) / 263] x 100
Subtract the new number by the original number
172 - 263 = -91
-91 ÷ 263 = -0.34600760456273766
-0.34600760456273766 x 100 = -34.6%