-72.32% is the change from 766 to 212
Calculation steps:
[( 212 - 766 ) ÷ 766] x 100 = -72.32%
Formula
Percentage change = [(212 - 766) / 766] x 100
Subtract the new number by the original number
212 - 766 = -554
-554 ÷ 766 = -0.7232375979112271
-0.7232375979112271 x 100 = -72.32%