-89.46% is the change from 721 to 76
Calculation steps:
[( 76 - 721 ) ÷ 721] x 100 = -89.46%
Formula
Percentage change = [(76 - 721) / 721] x 100
Subtract the new number by the original number
76 - 721 = -645
-645 ÷ 721 = -0.8945908460471568
-0.8945908460471568 x 100 = -89.46%