-12.75% is the change from 612 to 534
Calculation steps:
[( 534 - 612 ) ÷ 612] x 100 = -12.75%
Formula
Percentage change = [(534 - 612) / 612] x 100
Subtract the new number by the original number
534 - 612 = -78
-78 ÷ 612 = -0.12745098039215685
-0.12745098039215685 x 100 = -12.75%