-70.52% is the change from 563 to 166
Calculation steps:
[( 166 - 563 ) ÷ 563] x 100 = -70.52%
Formula
Percentage change = [(166 - 563) / 563] x 100
Subtract the new number by the original number
166 - 563 = -397
-397 ÷ 563 = -0.7051509769094139
-0.7051509769094139 x 100 = -70.52%