-87.25% is the change from 612 to 78
Calculation steps:
[( 78 - 612 ) ÷ 612] x 100 = -87.25%
Formula
Percentage change = [(78 - 612) / 612] x 100
Subtract the new number by the original number
78 - 612 = -534
-534 ÷ 612 = -0.8725490196078431
-0.8725490196078431 x 100 = -87.25%