-66.18% is the change from 612 to 207
Calculation steps:
[( 207 - 612 ) ÷ 612] x 100 = -66.18%
Formula
Percentage change = [(207 - 612) / 612] x 100
Subtract the new number by the original number
207 - 612 = -405
-405 ÷ 612 = -0.6617647058823529
-0.6617647058823529 x 100 = -66.18%