-34.21% is the change from 266 to 175
Calculation steps:
[( 175 - 266 ) ÷ 266] x 100 = -34.21%
Formula
Percentage change = [(175 - 266) / 266] x 100
Subtract the new number by the original number
175 - 266 = -91
-91 ÷ 266 = -0.34210526315789475
-0.34210526315789475 x 100 = -34.21%