-65.77% is the change from 631 to 216
Calculation steps:
[( 216 - 631 ) ÷ 631] x 100 = -65.77%
Formula
Percentage change = [(216 - 631) / 631] x 100
Subtract the new number by the original number
216 - 631 = -415
-415 ÷ 631 = -0.6576862123613312
-0.6576862123613312 x 100 = -65.77%