-7.85% is the change from 701 to 646
Calculation steps:
[( 646 - 701 ) ÷ 701] x 100 = -7.85%
Formula
Percentage change = [(646 - 701) / 701] x 100
Subtract the new number by the original number
646 - 701 = -55
-55 ÷ 701 = -0.07845934379457917
-0.07845934379457917 x 100 = -7.85%