-63.53% is the change from 266 to 97
Calculation steps:
[( 97 - 266 ) ÷ 266] x 100 = -63.53%
Formula
Percentage change = [(97 - 266) / 266] x 100
Subtract the new number by the original number
97 - 266 = -169
-169 ÷ 266 = -0.6353383458646616
-0.6353383458646616 x 100 = -63.53%