-97.05% is the change from 713 to 21
Calculation steps:
[( 21 - 713 ) ÷ 713] x 100 = -97.05%
Formula
Percentage change = [(21 - 713) / 713] x 100
Subtract the new number by the original number
21 - 713 = -692
-692 ÷ 713 = -0.97054698457223
-0.97054698457223 x 100 = -97.05%