-83.6% is the change from 616 to 101
Calculation steps:
[( 101 - 616 ) ÷ 616] x 100 = -83.6%
Formula
Percentage change = [(101 - 616) / 616] x 100
Subtract the new number by the original number
101 - 616 = -515
-515 ÷ 616 = -0.836038961038961
-0.836038961038961 x 100 = -83.6%