-82.9% is the change from 661 to 113
Calculation steps:
[( 113 - 661 ) ÷ 661] x 100 = -82.9%
Formula
Percentage change = [(113 - 661) / 661] x 100
Subtract the new number by the original number
113 - 661 = -548
-548 ÷ 661 = -0.8290468986384266
-0.8290468986384266 x 100 = -82.9%