-51.33% is the change from 263 to 128
Calculation steps:
[( 128 - 263 ) ÷ 263] x 100 = -51.33%
Formula
Percentage change = [(128 - 263) / 263] x 100
Subtract the new number by the original number
128 - 263 = -135
-135 ÷ 263 = -0.5133079847908745
-0.5133079847908745 x 100 = -51.33%