-75.44% is the change from 676 to 166
Calculation steps:
[( 166 - 676 ) ÷ 676] x 100 = -75.44%
Formula
Percentage change = [(166 - 676) / 676] x 100
Subtract the new number by the original number
166 - 676 = -510
-510 ÷ 676 = -0.7544378698224852
-0.7544378698224852 x 100 = -75.44%