-66.07% is the change from 619 to 210
Calculation steps:
[( 210 - 619 ) ÷ 619] x 100 = -66.07%
Formula
Percentage change = [(210 - 619) / 619] x 100
Subtract the new number by the original number
210 - 619 = -409
-409 ÷ 619 = -0.6607431340872375
-0.6607431340872375 x 100 = -66.07%