-40.72% is the change from 862 to 511
Calculation steps:
[( 511 - 862 ) ÷ 862] x 100 = -40.72%
Formula
Percentage change = [(511 - 862) / 862] x 100
Subtract the new number by the original number
511 - 862 = -351
-351 ÷ 862 = -0.4071925754060325
-0.4071925754060325 x 100 = -40.72%