-19.16% is the change from 663 to 536
Calculation steps:
[( 536 - 663 ) ÷ 663] x 100 = -19.16%
Formula
Percentage change = [(536 - 663) / 663] x 100
Subtract the new number by the original number
536 - 663 = -127
-127 ÷ 663 = -0.19155354449472098
-0.19155354449472098 x 100 = -19.16%