-82.43% is the change from 945 to 166
Calculation steps:
[( 166 - 945 ) ÷ 945] x 100 = -82.43%
Formula
Percentage change = [(166 - 945) / 945] x 100
Subtract the new number by the original number
166 - 945 = -779
-779 ÷ 945 = -0.8243386243386244
-0.8243386243386244 x 100 = -82.43%