-66.51% is the change from 636 to 213
Calculation steps:
[( 213 - 636 ) ÷ 636] x 100 = -66.51%
Formula
Percentage change = [(213 - 636) / 636] x 100
Subtract the new number by the original number
213 - 636 = -423
-423 ÷ 636 = -0.6650943396226415
-0.6650943396226415 x 100 = -66.51%