-63.73% is the change from 612 to 222
Calculation steps:
[( 222 - 612 ) ÷ 612] x 100 = -63.73%
Formula
Percentage change = [(222 - 612) / 612] x 100
Subtract the new number by the original number
222 - 612 = -390
-390 ÷ 612 = -0.6372549019607843
-0.6372549019607843 x 100 = -63.73%