-78.05% is the change from 861 to 189
Calculation steps:
[( 189 - 861 ) ÷ 861] x 100 = -78.05%
Formula
Percentage change = [(189 - 861) / 861] x 100
Subtract the new number by the original number
189 - 861 = -672
-672 ÷ 861 = -0.7804878048780488
-0.7804878048780488 x 100 = -78.05%