-17.8% is the change from 764 to 628
Calculation steps:
[( 628 - 764 ) ÷ 764] x 100 = -17.8%
Formula
Percentage change = [(628 - 764) / 764] x 100
Subtract the new number by the original number
628 - 764 = -136
-136 ÷ 764 = -0.17801047120418848
-0.17801047120418848 x 100 = -17.8%