-66.77% is the change from 623 to 207
Calculation steps:
[( 207 - 623 ) ÷ 623] x 100 = -66.77%
Formula
Percentage change = [(207 - 623) / 623] x 100
Subtract the new number by the original number
207 - 623 = -416
-416 ÷ 623 = -0.6677367576243981
-0.6677367576243981 x 100 = -66.77%