-21.64% is the change from 781 to 612
Calculation steps:
[( 612 - 781 ) ÷ 781] x 100 = -21.64%
Formula
Percentage change = [(612 - 781) / 781] x 100
Subtract the new number by the original number
612 - 781 = -169
-169 ÷ 781 = -0.21638924455825864
-0.21638924455825864 x 100 = -21.64%