-65.4% is the change from 607 to 210
Calculation steps:
[( 210 - 607 ) ÷ 607] x 100 = -65.4%
Formula
Percentage change = [(210 - 607) / 607] x 100
Subtract the new number by the original number
210 - 607 = -397
-397 ÷ 607 = -0.6540362438220758
-0.6540362438220758 x 100 = -65.4%