-83.29% is the change from 419 to 70
Calculation steps:
[( 70 - 419 ) ÷ 419] x 100 = -83.29%
Formula
Percentage change = [(70 - 419) / 419] x 100
Subtract the new number by the original number
70 - 419 = -349
-349 ÷ 419 = -0.8329355608591885
-0.8329355608591885 x 100 = -83.29%