-64.94% is the change from 636 to 223
Calculation steps:
[( 223 - 636 ) ÷ 636] x 100 = -64.94%
Formula
Percentage change = [(223 - 636) / 636] x 100
Subtract the new number by the original number
223 - 636 = -413
-413 ÷ 636 = -0.64937106918239
-0.64937106918239 x 100 = -64.94%