-66.07% is the change from 669 to 227
Calculation steps:
[( 227 - 669 ) ÷ 669] x 100 = -66.07%
Formula
Percentage change = [(227 - 669) / 669] x 100
Subtract the new number by the original number
227 - 669 = -442
-442 ÷ 669 = -0.6606875934230194
-0.6606875934230194 x 100 = -66.07%