-69.61% is the change from 612 to 186
Calculation steps:
[( 186 - 612 ) ÷ 612] x 100 = -69.61%
Formula
Percentage change = [(186 - 612) / 612] x 100
Subtract the new number by the original number
186 - 612 = -426
-426 ÷ 612 = -0.696078431372549
-0.696078431372549 x 100 = -69.61%