-34.05% is the change from 790 to 521
Calculation steps:
[( 521 - 790 ) ÷ 790] x 100 = -34.05%
Formula
Percentage change = [(521 - 790) / 790] x 100
Subtract the new number by the original number
521 - 790 = -269
-269 ÷ 790 = -0.34050632911392403
-0.34050632911392403 x 100 = -34.05%