194.44% is the change from 216 to 636
Calculation steps:
[( 636 - 216 ) ÷ 216] x 100 = 194.44%
Formula
Percentage change = [(636 - 216) / 216] x 100
Subtract the new number by the original number
636 - 216 = 420
420 ÷ 216 = 1.9444444444444444
1.9444444444444444 x 100 = 194.44%