-62.75% is the change from 612 to 228
Calculation steps:
[( 228 - 612 ) ÷ 612] x 100 = -62.75%
Formula
Percentage change = [(228 - 612) / 612] x 100
Subtract the new number by the original number
228 - 612 = -384
-384 ÷ 612 = -0.6274509803921569
-0.6274509803921569 x 100 = -62.75%