-67.29% is the change from 266 to 87
Calculation steps:
[( 87 - 266 ) ÷ 266] x 100 = -67.29%
Formula
Percentage change = [(87 - 266) / 266] x 100
Subtract the new number by the original number
87 - 266 = -179
-179 ÷ 266 = -0.6729323308270677
-0.6729323308270677 x 100 = -67.29%