-80.89% is the change from 429 to 82
Calculation steps:
[( 82 - 429 ) ÷ 429] x 100 = -80.89%
Formula
Percentage change = [(82 - 429) / 429] x 100
Subtract the new number by the original number
82 - 429 = -347
-347 ÷ 429 = -0.8088578088578089
-0.8088578088578089 x 100 = -80.89%