-65.56% is the change from 662 to 228
Calculation steps:
[( 228 - 662 ) ÷ 662] x 100 = -65.56%
Formula
Percentage change = [(228 - 662) / 662] x 100
Subtract the new number by the original number
228 - 662 = -434
-434 ÷ 662 = -0.6555891238670695
-0.6555891238670695 x 100 = -65.56%