-34.24% is the change from 663 to 436
Calculation steps:
[( 436 - 663 ) ÷ 663] x 100 = -34.24%
Formula
Percentage change = [(436 - 663) / 663] x 100
Subtract the new number by the original number
436 - 663 = -227
-227 ÷ 663 = -0.34238310708898945
-0.34238310708898945 x 100 = -34.24%