-37.12% is the change from 423 to 266
Calculation steps:
[( 266 - 423 ) ÷ 423] x 100 = -37.12%
Formula
Percentage change = [(266 - 423) / 423] x 100
Subtract the new number by the original number
266 - 423 = -157
-157 ÷ 423 = -0.37115839243498816
-0.37115839243498816 x 100 = -37.12%