-50.47% is the change from 426 to 211
Calculation steps:
[( 211 - 426 ) ÷ 426] x 100 = -50.47%
Formula
Percentage change = [(211 - 426) / 426] x 100
Subtract the new number by the original number
211 - 426 = -215
-215 ÷ 426 = -0.5046948356807511
-0.5046948356807511 x 100 = -50.47%