-64.38% is the change from 612 to 218
Calculation steps:
[( 218 - 612 ) ÷ 612] x 100 = -64.38%
Formula
Percentage change = [(218 - 612) / 612] x 100
Subtract the new number by the original number
218 - 612 = -394
-394 ÷ 612 = -0.6437908496732027
-0.6437908496732027 x 100 = -64.38%