-65.82% is the change from 667 to 228
Calculation steps:
[( 228 - 667 ) ÷ 667] x 100 = -65.82%
Formula
Percentage change = [(228 - 667) / 667] x 100
Subtract the new number by the original number
228 - 667 = -439
-439 ÷ 667 = -0.6581709145427287
-0.6581709145427287 x 100 = -65.82%