-0.87% is the change from 229 to 227
Calculation steps:
[( 227 - 229 ) ÷ 229] x 100 = -0.87%
Formula
Percentage change = [(227 - 229) / 229] x 100
Subtract the new number by the original number
227 - 229 = -2
-2 ÷ 229 = -0.008733624454148471
-0.008733624454148471 x 100 = -0.87%