-79.95% is the change from 414 to 83
Calculation steps:
[( 83 - 414 ) ÷ 414] x 100 = -79.95%
Formula
Percentage change = [(83 - 414) / 414] x 100
Subtract the new number by the original number
83 - 414 = -331
-331 ÷ 414 = -0.7995169082125604
-0.7995169082125604 x 100 = -79.95%