-99.25% is the change from 266 to 2
Calculation steps:
[( 2 - 266 ) ÷ 266] x 100 = -99.25%
Formula
Percentage change = [(2 - 266) / 266] x 100
Subtract the new number by the original number
2 - 266 = -264
-264 ÷ 266 = -0.9924812030075187
-0.9924812030075187 x 100 = -99.25%