-90.71% is the change from 721 to 67
Calculation steps:
[( 67 - 721 ) ÷ 721] x 100 = -90.71%
Formula
Percentage change = [(67 - 721) / 721] x 100
Subtract the new number by the original number
67 - 721 = -654
-654 ÷ 721 = -0.9070735090152566
-0.9070735090152566 x 100 = -90.71%