-65.4% is the change from 656 to 227
Calculation steps:
[( 227 - 656 ) ÷ 656] x 100 = -65.4%
Formula
Percentage change = [(227 - 656) / 656] x 100
Subtract the new number by the original number
227 - 656 = -429
-429 ÷ 656 = -0.6539634146341463
-0.6539634146341463 x 100 = -65.4%