-58.17% is the change from 545 to 228
Calculation steps:
[( 228 - 545 ) ÷ 545] x 100 = -58.17%
Formula
Percentage change = [(228 - 545) / 545] x 100
Subtract the new number by the original number
228 - 545 = -317
-317 ÷ 545 = -0.581651376146789
-0.581651376146789 x 100 = -58.17%