-64.82% is the change from 830 to 292
Calculation steps:
[( 292 - 830 ) ÷ 830] x 100 = -64.82%
Formula
Percentage change = [(292 - 830) / 830] x 100
Subtract the new number by the original number
292 - 830 = -538
-538 ÷ 830 = -0.6481927710843374
-0.6481927710843374 x 100 = -64.82%