-52.26% is the change from 266 to 127
Calculation steps:
[( 127 - 266 ) ÷ 266] x 100 = -52.26%
Formula
Percentage change = [(127 - 266) / 266] x 100
Subtract the new number by the original number
127 - 266 = -139
-139 ÷ 266 = -0.5225563909774437
-0.5225563909774437 x 100 = -52.26%