-33.02% is the change from 636 to 426
Calculation steps:
[( 426 - 636 ) ÷ 636] x 100 = -33.02%
Formula
Percentage change = [(426 - 636) / 636] x 100
Subtract the new number by the original number
426 - 636 = -210
-210 ÷ 636 = -0.330188679245283
-0.330188679245283 x 100 = -33.02%