-74.15% is the change from 766 to 198
Calculation steps:
[( 198 - 766 ) ÷ 766] x 100 = -74.15%
Formula
Percentage change = [(198 - 766) / 766] x 100
Subtract the new number by the original number
198 - 766 = -568
-568 ÷ 766 = -0.741514360313316
-0.741514360313316 x 100 = -74.15%