-34.12% is the change from 636 to 419
Calculation steps:
[( 419 - 636 ) ÷ 636] x 100 = -34.12%
Formula
Percentage change = [(419 - 636) / 636] x 100
Subtract the new number by the original number
419 - 636 = -217
-217 ÷ 636 = -0.3411949685534591
-0.3411949685534591 x 100 = -34.12%