-61.93% is the change from 612 to 233
Calculation steps:
[( 233 - 612 ) ÷ 612] x 100 = -61.93%
Formula
Percentage change = [(233 - 612) / 612] x 100
Subtract the new number by the original number
233 - 612 = -379
-379 ÷ 612 = -0.619281045751634
-0.619281045751634 x 100 = -61.93%