-27.42% is the change from 766 to 556
Calculation steps:
[( 556 - 766 ) ÷ 766] x 100 = -27.42%
Formula
Percentage change = [(556 - 766) / 766] x 100
Subtract the new number by the original number
556 - 766 = -210
-210 ÷ 766 = -0.2741514360313316
-0.2741514360313316 x 100 = -27.42%