-70.99% is the change from 648 to 188
Calculation steps:
[( 188 - 648 ) ÷ 648] x 100 = -70.99%
Formula
Percentage change = [(188 - 648) / 648] x 100
Subtract the new number by the original number
188 - 648 = -460
-460 ÷ 648 = -0.7098765432098766
-0.7098765432098766 x 100 = -70.99%