-78.04% is the change from 756 to 166
Calculation steps:
[( 166 - 756 ) ÷ 756] x 100 = -78.04%
Formula
Percentage change = [(166 - 756) / 756] x 100
Subtract the new number by the original number
166 - 756 = -590
-590 ÷ 756 = -0.7804232804232805
-0.7804232804232805 x 100 = -78.04%