-35.34% is the change from 266 to 172
Calculation steps:
[( 172 - 266 ) ÷ 266] x 100 = -35.34%
Formula
Percentage change = [(172 - 266) / 266] x 100
Subtract the new number by the original number
172 - 266 = -94
-94 ÷ 266 = -0.3533834586466165
-0.3533834586466165 x 100 = -35.34%