-12.95% is the change from 641 to 558
Calculation steps:
[( 558 - 641 ) ÷ 641] x 100 = -12.95%
Formula
Percentage change = [(558 - 641) / 641] x 100
Subtract the new number by the original number
558 - 641 = -83
-83 ÷ 641 = -0.1294851794071763
-0.1294851794071763 x 100 = -12.95%