-37.85% is the change from 428 to 266
Calculation steps:
[( 266 - 428 ) ÷ 428] x 100 = -37.85%
Formula
Percentage change = [(266 - 428) / 428] x 100
Subtract the new number by the original number
266 - 428 = -162
-162 ÷ 428 = -0.37850467289719625
-0.37850467289719625 x 100 = -37.85%