-54.22% is the change from 498 to 228
Calculation steps:
[( 228 - 498 ) ÷ 498] x 100 = -54.22%
Formula
Percentage change = [(228 - 498) / 498] x 100
Subtract the new number by the original number
228 - 498 = -270
-270 ÷ 498 = -0.5421686746987951
-0.5421686746987951 x 100 = -54.22%