-83.19% is the change from 601 to 101
Calculation steps:
[( 101 - 601 ) ÷ 601] x 100 = -83.19%
Formula
Percentage change = [(101 - 601) / 601] x 100
Subtract the new number by the original number
101 - 601 = -500
-500 ÷ 601 = -0.831946755407654
-0.831946755407654 x 100 = -83.19%