-66.23% is the change from 924 to 312
Calculation steps:
[( 312 - 924 ) ÷ 924] x 100 = -66.23%
Formula
Percentage change = [(312 - 924) / 924] x 100
Subtract the new number by the original number
312 - 924 = -612
-612 ÷ 924 = -0.6623376623376623
-0.6623376623376623 x 100 = -66.23%