-68.28% is the change from 662 to 210
Calculation steps:
[( 210 - 662 ) ÷ 662] x 100 = -68.28%
Formula
Percentage change = [(210 - 662) / 662] x 100
Subtract the new number by the original number
210 - 662 = -452
-452 ÷ 662 = -0.6827794561933535
-0.6827794561933535 x 100 = -68.28%