-10.92% is the change from 687 to 612
Calculation steps:
[( 612 - 687 ) ÷ 687] x 100 = -10.92%
Formula
Percentage change = [(612 - 687) / 687] x 100
Subtract the new number by the original number
612 - 687 = -75
-75 ÷ 687 = -0.1091703056768559
-0.1091703056768559 x 100 = -10.92%