-83.33% is the change from 606 to 101
Calculation steps:
[( 101 - 606 ) ÷ 606] x 100 = -83.33%
Formula
Percentage change = [(101 - 606) / 606] x 100
Subtract the new number by the original number
101 - 606 = -505
-505 ÷ 606 = -0.8333333333333334
-0.8333333333333334 x 100 = -83.33%