-49.25% is the change from 534 to 271
Calculation steps:
[( 271 - 534 ) ÷ 534] x 100 = -49.25%
Formula
Percentage change = [(271 - 534) / 534] x 100
Subtract the new number by the original number
271 - 534 = -263
-263 ÷ 534 = -0.49250936329588013
-0.49250936329588013 x 100 = -49.25%