-64.98% is the change from 614 to 215
Calculation steps:
[( 215 - 614 ) ÷ 614] x 100 = -64.98%
Formula
Percentage change = [(215 - 614) / 614] x 100
Subtract the new number by the original number
215 - 614 = -399
-399 ÷ 614 = -0.6498371335504886
-0.6498371335504886 x 100 = -64.98%