-39.47% is the change from 869 to 526
Calculation steps:
[( 526 - 869 ) ÷ 869] x 100 = -39.47%
Formula
Percentage change = [(526 - 869) / 869] x 100
Subtract the new number by the original number
526 - 869 = -343
-343 ÷ 869 = -0.3947065592635213
-0.3947065592635213 x 100 = -39.47%