-83.17% is the change from 606 to 102
Calculation steps:
[( 102 - 606 ) ÷ 606] x 100 = -83.17%
Formula
Percentage change = [(102 - 606) / 606] x 100
Subtract the new number by the original number
102 - 606 = -504
-504 ÷ 606 = -0.8316831683168316
-0.8316831683168316 x 100 = -83.17%