-65.81% is the change from 620 to 212
Calculation steps:
[( 212 - 620 ) ÷ 620] x 100 = -65.81%
Formula
Percentage change = [(212 - 620) / 620] x 100
Subtract the new number by the original number
212 - 620 = -408
-408 ÷ 620 = -0.6580645161290323
-0.6580645161290323 x 100 = -65.81%