-66.44% is the change from 870 to 292
Calculation steps:
[( 292 - 870 ) ÷ 870] x 100 = -66.44%
Formula
Percentage change = [(292 - 870) / 870] x 100
Subtract the new number by the original number
292 - 870 = -578
-578 ÷ 870 = -0.664367816091954
-0.664367816091954 x 100 = -66.44%