-22.76% is the change from 813 to 628
Calculation steps:
[( 628 - 813 ) ÷ 813] x 100 = -22.76%
Formula
Percentage change = [(628 - 813) / 813] x 100
Subtract the new number by the original number
628 - 813 = -185
-185 ÷ 813 = -0.22755227552275523
-0.22755227552275523 x 100 = -22.76%