-66.87% is the change from 670 to 222
Calculation steps:
[( 222 - 670 ) ÷ 670] x 100 = -66.87%
Formula
Percentage change = [(222 - 670) / 670] x 100
Subtract the new number by the original number
222 - 670 = -448
-448 ÷ 670 = -0.6686567164179105
-0.6686567164179105 x 100 = -66.87%