-69.48% is the change from 534 to 163
Calculation steps:
[( 163 - 534 ) ÷ 534] x 100 = -69.48%
Formula
Percentage change = [(163 - 534) / 534] x 100
Subtract the new number by the original number
163 - 534 = -371
-371 ÷ 534 = -0.6947565543071161
-0.6947565543071161 x 100 = -69.48%