-69.03% is the change from 536 to 166
Calculation steps:
[( 166 - 536 ) ÷ 536] x 100 = -69.03%
Formula
Percentage change = [(166 - 536) / 536] x 100
Subtract the new number by the original number
166 - 536 = -370
-370 ÷ 536 = -0.6902985074626866
-0.6902985074626866 x 100 = -69.03%